Finding the Third Proportional to 3,866,539 and 5,681,458

Step by Step Solution

1. Step 1: Write the proportion equation
   3,866,539 : 5,681,458 = 5,681,458 : x
2. Step 2: Convert to fraction form
   3,866,539/5,681,458 = 5,681,458/x
3. Step 3: Cross multiply
   3,866,539x = 5,681,458 × 5,681,458
4. Step 4: Simplify right side
   3,866,539x = 32,278,965,005,764
5. Step 5: Solve for x
   x = 32,278,965,005,764/3,866,539
6. Step 6: Final answer
   x = 8,348,283.83