Finding the Third Proportional to 12,917,252 and 30,449,570

Step by Step Solution

1. Step 1: Write the proportion equation
   12,917,252 : 30,449,570 = 30,449,570 : x
2. Step 2: Convert to fraction form
   12,917,252/30,449,570 = 30,449,570/x
3. Step 3: Cross multiply
   12,917,252x = 30,449,570 × 30,449,570
4. Step 4: Simplify right side
   12,917,252x = 927,176,313,184,900
5. Step 5: Solve for x
   x = 927,176,313,184,900/12,917,252
6. Step 6: Final answer
   x = 71,778,139.28