Finding the Third Proportional to 40,724,618 and 56,965,766

Step by Step Solution

1. Step 1: Write the proportion equation
   40,724,618 : 56,965,766 = 56,965,766 : x
2. Step 2: Convert to fraction form
   40,724,618/56,965,766 = 56,965,766/x
3. Step 3: Cross multiply
   40,724,618x = 56,965,766 × 56,965,766
4. Step 4: Simplify right side
   40,724,618x = 3,245,098,495,966,756
5. Step 5: Solve for x
   x = 3,245,098,495,966,756/40,724,618
6. Step 6: Final answer
   x = 79,683,951.76