Finding the Third Proportional to 14,691,780 and 31,899,672

Step by Step Solution

1. Step 1: Write the proportion equation
   14,691,780 : 31,899,672 = 31,899,672 : x
2. Step 2: Convert to fraction form
   14,691,780/31,899,672 = 31,899,672/x
3. Step 3: Cross multiply
   14,691,780x = 31,899,672 × 31,899,672
4. Step 4: Simplify right side
   14,691,780x = 1,017,589,073,707,584
5. Step 5: Solve for x
   x = 1,017,589,073,707,584/14,691,780
6. Step 6: Final answer
   x = 69,262,476.96