Finding the Third Proportional to 14,975,111 and 21,399,780

Step by Step Solution

1. Step 1: Write the proportion equation
   14,975,111 : 21,399,780 = 21,399,780 : x
2. Step 2: Convert to fraction form
   14,975,111/21,399,780 = 21,399,780/x
3. Step 3: Cross multiply
   14,975,111x = 21,399,780 × 21,399,780
4. Step 4: Simplify right side
   14,975,111x = 457,950,584,048,400
5. Step 5: Solve for x
   x = 457,950,584,048,400/14,975,111
6. Step 6: Final answer
   x = 30,580,780.61