Finding the Third Proportional to 40,724,628 and 56,965,784

Step by Step Solution

1. Step 1: Write the proportion equation
   40,724,628 : 56,965,784 = 56,965,784 : x
2. Step 2: Convert to fraction form
   40,724,628/56,965,784 = 56,965,784/x
3. Step 3: Cross multiply
   40,724,628x = 56,965,784 × 56,965,784
4. Step 4: Simplify right side
   40,724,628x = 3,245,100,546,734,656
5. Step 5: Solve for x
   x = 3,245,100,546,734,656/40,724,628
6. Step 6: Final answer
   x = 79,683,982.55