Finding the Third Proportional to 2,981,666 and 3,972,531

Step by Step Solution

1. Step 1: Write the proportion equation
   2,981,666 : 3,972,531 = 3,972,531 : x
2. Step 2: Convert to fraction form
   2,981,666/3,972,531 = 3,972,531/x
3. Step 3: Cross multiply
   2,981,666x = 3,972,531 × 3,972,531
4. Step 4: Simplify right side
   2,981,666x = 15,781,002,545,961
5. Step 5: Solve for x
   x = 15,781,002,545,961/2,981,666
6. Step 6: Final answer
   x = 5,292,679.51