Finding the Third Proportional to 4,073,566 and 8,478,552

Step by Step Solution

1. Step 1: Write the proportion equation
   4,073,566 : 8,478,552 = 8,478,552 : x
2. Step 2: Convert to fraction form
   4,073,566/8,478,552 = 8,478,552/x
3. Step 3: Cross multiply
   4,073,566x = 8,478,552 × 8,478,552
4. Step 4: Simplify right side
   4,073,566x = 71,885,844,016,704
5. Step 5: Solve for x
   x = 71,885,844,016,704/4,073,566
6. Step 6: Final answer
   x = 17,646,907.90