Finding the Third Proportional to 63,127.69 and 136,984.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,127.69 : 136,984.50 = 136,984.50 : x
2. Step 2: Convert to fraction form
   63,127.69/136,984.50 = 136,984.50/x
3. Step 3: Cross multiply
   63,127.69x = 136,984.50 × 136,984.50
4. Step 4: Simplify right side
   63,127.69x = 18,764,753,240.25
5. Step 5: Solve for x
   x = 18,764,753,240.25/63,127.69
6. Step 6: Final answer
   x = 297,250.76