Finding the Third Proportional to 599,320 and 1,287,576

Step by Step Solution

1. Step 1: Write the proportion equation
   599,320 : 1,287,576 = 1,287,576 : x
2. Step 2: Convert to fraction form
   599,320/1,287,576 = 1,287,576/x
3. Step 3: Cross multiply
   599,320x = 1,287,576 × 1,287,576
4. Step 4: Simplify right side
   599,320x = 1,657,851,955,776
5. Step 5: Solve for x
   x = 1,657,851,955,776/599,320
6. Step 6: Final answer
   x = 2,766,221.64