Finding the Third Proportional to 2,561,472 and 5,520,192

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561,472 : 5,520,192 = 5,520,192 : x
2. Step 2: Convert to fraction form
   2,561,472/5,520,192 = 5,520,192/x
3. Step 3: Cross multiply
   2,561,472x = 5,520,192 × 5,520,192
4. Step 4: Simplify right side
   2,561,472x = 30,472,519,716,864
5. Step 5: Solve for x
   x = 30,472,519,716,864/2,561,472
6. Step 6: Final answer
   x = 11,896,487.53