Finding the Third Proportional to 14,975,118 and 21,399,789

Step by Step Solution

1. Step 1: Write the proportion equation
   14,975,118 : 21,399,789 = 21,399,789 : x
2. Step 2: Convert to fraction form
   14,975,118/21,399,789 = 21,399,789/x
3. Step 3: Cross multiply
   14,975,118x = 21,399,789 × 21,399,789
4. Step 4: Simplify right side
   14,975,118x = 457,950,969,244,521
5. Step 5: Solve for x
   x = 457,950,969,244,521/14,975,118
6. Step 6: Final answer
   x = 30,580,792.03