Finding the Third Proportional to 5,215,084 and 7,666,545

Step by Step Solution

1. Step 1: Write the proportion equation
   5,215,084 : 7,666,545 = 7,666,545 : x
2. Step 2: Convert to fraction form
   5,215,084/7,666,545 = 7,666,545/x
3. Step 3: Cross multiply
   5,215,084x = 7,666,545 × 7,666,545
4. Step 4: Simplify right side
   5,215,084x = 58,775,912,237,025
5. Step 5: Solve for x
   x = 58,775,912,237,025/5,215,084
6. Step 6: Final answer
   x = 11,270,367.31