Finding the Third Proportional to 14,917,996 and 21,056,636

Step by Step Solution

1. Step 1: Write the proportion equation
   14,917,996 : 21,056,636 = 21,056,636 : x
2. Step 2: Convert to fraction form
   14,917,996/21,056,636 = 21,056,636/x
3. Step 3: Cross multiply
   14,917,996x = 21,056,636 × 21,056,636
4. Step 4: Simplify right side
   14,917,996x = 443,381,919,636,496
5. Step 5: Solve for x
   x = 443,381,919,636,496/14,917,996
6. Step 6: Final answer
   x = 29,721,278.89