Finding the Third Proportional to 2,142,791 and 4,576,189

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,791 : 4,576,189 = 4,576,189 : x
2. Step 2: Convert to fraction form
   2,142,791/4,576,189 = 4,576,189/x
3. Step 3: Cross multiply
   2,142,791x = 4,576,189 × 4,576,189
4. Step 4: Simplify right side
   2,142,791x = 20,941,505,763,721
5. Step 5: Solve for x
   x = 20,941,505,763,721/2,142,791
6. Step 6: Final answer
   x = 9,773,004.35