Finding the Third Proportional to 3,913,865 and 7,937,824

Step by Step Solution

1. Step 1: Write the proportion equation
   3,913,865 : 7,937,824 = 7,937,824 : x
2. Step 2: Convert to fraction form
   3,913,865/7,937,824 = 7,937,824/x
3. Step 3: Cross multiply
   3,913,865x = 7,937,824 × 7,937,824
4. Step 4: Simplify right side
   3,913,865x = 63,009,049,854,976
5. Step 5: Solve for x
   x = 63,009,049,854,976/3,913,865
6. Step 6: Final answer
   x = 16,098,932.86