Finding the Third Proportional to 12,917,332 and 30,449,770

Step by Step Solution

1. Step 1: Write the proportion equation
   12,917,332 : 30,449,770 = 30,449,770 : x
2. Step 2: Convert to fraction form
   12,917,332/30,449,770 = 30,449,770/x
3. Step 3: Cross multiply
   12,917,332x = 30,449,770 × 30,449,770
4. Step 4: Simplify right side
   12,917,332x = 927,188,493,052,900
5. Step 5: Solve for x
   x = 927,188,493,052,900/12,917,332
6. Step 6: Final answer
   x = 71,778,637.65