Finding the Third Proportional to 12,917,328 and 30,449,760

Step by Step Solution

1. Step 1: Write the proportion equation
   12,917,328 : 30,449,760 = 30,449,760 : x
2. Step 2: Convert to fraction form
   12,917,328/30,449,760 = 30,449,760/x
3. Step 3: Cross multiply
   12,917,328x = 30,449,760 × 30,449,760
4. Step 4: Simplify right side
   12,917,328x = 927,187,884,057,600
5. Step 5: Solve for x
   x = 927,187,884,057,600/12,917,328
6. Step 6: Final answer
   x = 71,778,612.73