Finding the Third Proportional to 14,975,112 and 21,399,781

Step by Step Solution

1. Step 1: Write the proportion equation
   14,975,112 : 21,399,781 = 21,399,781 : x
2. Step 2: Convert to fraction form
   14,975,112/21,399,781 = 21,399,781/x
3. Step 3: Cross multiply
   14,975,112x = 21,399,781 × 21,399,781
4. Step 4: Simplify right side
   14,975,112x = 457,950,626,847,961
5. Step 5: Solve for x
   x = 457,950,626,847,961/14,975,112
6. Step 6: Final answer
   x = 30,580,781.42