Finding the Third Proportional to 3,866,532 and 5,681,448

Step by Step Solution

1. Step 1: Write the proportion equation
   3,866,532 : 5,681,448 = 5,681,448 : x
2. Step 2: Convert to fraction form
   3,866,532/5,681,448 = 5,681,448/x
3. Step 3: Cross multiply
   3,866,532x = 5,681,448 × 5,681,448
4. Step 4: Simplify right side
   3,866,532x = 32,278,851,376,704
5. Step 5: Solve for x
   x = 32,278,851,376,704/3,866,532
6. Step 6: Final answer
   x = 8,348,269.55