Finding the Third Proportional to 12,917,232 and 30,449,520

Step by Step Solution

1. Step 1: Write the proportion equation
   12,917,232 : 30,449,520 = 30,449,520 : x
2. Step 2: Convert to fraction form
   12,917,232/30,449,520 = 30,449,520/x
3. Step 3: Cross multiply
   12,917,232x = 30,449,520 × 30,449,520
4. Step 4: Simplify right side
   12,917,232x = 927,173,268,230,400
5. Step 5: Solve for x
   x = 927,173,268,230,400/12,917,232
6. Step 6: Final answer
   x = 71,778,014.69