Finding the Third Proportional to 60,103.69 and 128,251.69

Step by Step Solution

1. Step 1: Write the proportion equation
   60,103.69 : 128,251.69 = 128,251.69 : x
2. Step 2: Convert to fraction form
   60,103.69/128,251.69 = 128,251.69/x
3. Step 3: Cross multiply
   60,103.69x = 128,251.69 × 128,251.69
4. Step 4: Simplify right side
   60,103.69x = 16,448,495,346.60
5. Step 5: Solve for x
   x = 16,448,495,346.60/60,103.69
6. Step 6: Final answer
   x = 273,668.66