Finding the Third Proportional to 42,645,730.50 and 65,508,516

Step by Step Solution

1. Step 1: Write the proportion equation
   42,645,730.50 : 65,508,516 = 65,508,516 : x
2. Step 2: Convert to fraction form
   42,645,730.50/65,508,516 = 65,508,516/x
3. Step 3: Cross multiply
   42,645,730.50x = 65,508,516 × 65,508,516
4. Step 4: Simplify right side
   42,645,730.50x = 4,291,365,668,522,256
5. Step 5: Solve for x
   x = 4,291,365,668,522,256/42,645,730.50
6. Step 6: Final answer
   x = 100,628,260.28