Finding the Third Proportional to 14,665,815 and 21,549,231

Step by Step Solution

1. Step 1: Write the proportion equation
   14,665,815 : 21,549,231 = 21,549,231 : x
2. Step 2: Convert to fraction form
   14,665,815/21,549,231 = 21,549,231/x
3. Step 3: Cross multiply
   14,665,815x = 21,549,231 × 21,549,231
4. Step 4: Simplify right side
   14,665,815x = 464,369,356,691,361
5. Step 5: Solve for x
   x = 464,369,356,691,361/14,665,815
6. Step 6: Final answer
   x = 31,663,385.68