Finding the Third Proportional to 3,866,538 and 5,681,457

Step by Step Solution

1. Step 1: Write the proportion equation
   3,866,538 : 5,681,457 = 5,681,457 : x
2. Step 2: Convert to fraction form
   3,866,538/5,681,457 = 5,681,457/x
3. Step 3: Cross multiply
   3,866,538x = 5,681,457 × 5,681,457
4. Step 4: Simplify right side
   3,866,538x = 32,278,953,642,849
5. Step 5: Solve for x
   x = 32,278,953,642,849/3,866,538
6. Step 6: Final answer
   x = 8,348,283.05