Finding the Third Proportional to 13,862,972 and 30,913,496

Step by Step Solution

1. Step 1: Write the proportion equation
   13,862,972 : 30,913,496 = 30,913,496 : x
2. Step 2: Convert to fraction form
   13,862,972/30,913,496 = 30,913,496/x
3. Step 3: Cross multiply
   13,862,972x = 30,913,496 × 30,913,496
4. Step 4: Simplify right side
   13,862,972x = 955,644,234,942,016
5. Step 5: Solve for x
   x = 955,644,234,942,016/13,862,972
6. Step 6: Final answer
   x = 68,935,018.76