Finding the Third Proportional to 1,424,213,643,378.60 and 1,921,598,576,945.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424,213,643,378.60 : 1,921,598,576,945.80 = 1,921,598,576,945.80 : x
2. Step 2: Convert to fraction form
   1,424,213,643,378.60/1,921,598,576,945.80 = 1,921,598,576,945.80/x
3. Step 3: Cross multiply
   1,424,213,643,378.60x = 1,921,598,576,945.80 × 1,921,598,576,945.80
4. Step 4: Simplify right side
   1,424,213,643,378.60x = 3,692,541,090,920,123,869,429,760
5. Step 5: Solve for x
   x = 3,692,541,090,920,123,869,429,760/1,424,213,643,378.60
6. Step 6: Final answer
   x = 2,592,687,626,668.47