Finding the Third Proportional to 60,867,865.50 and 123,861,488

Step by Step Solution

1. Step 1: Write the proportion equation
   60,867,865.50 : 123,861,488 = 123,861,488 : x
2. Step 2: Convert to fraction form
   60,867,865.50/123,861,488 = 123,861,488/x
3. Step 3: Cross multiply
   60,867,865.50x = 123,861,488 × 123,861,488
4. Step 4: Simplify right side
   60,867,865.50x = 15,341,668,209,574,144
5. Step 5: Solve for x
   x = 15,341,668,209,574,144/60,867,865.50
6. Step 6: Final answer
   x = 252,048,730.21