Finding the Third Proportional to 5,560,472 and 8,320,566

Step by Step Solution

1. Step 1: Write the proportion equation
   5,560,472 : 8,320,566 = 8,320,566 : x
2. Step 2: Convert to fraction form
   5,560,472/8,320,566 = 8,320,566/x
3. Step 3: Cross multiply
   5,560,472x = 8,320,566 × 8,320,566
4. Step 4: Simplify right side
   5,560,472x = 69,231,818,560,356
5. Step 5: Solve for x
   x = 69,231,818,560,356/5,560,472
6. Step 6: Final answer
   x = 12,450,708.96