Finding the Third Proportional to 63,240.75 and 132,290.72

Step by Step Solution

1. Step 1: Write the proportion equation
   63,240.75 : 132,290.72 = 132,290.72 : x
2. Step 2: Convert to fraction form
   63,240.75/132,290.72 = 132,290.72/x
3. Step 3: Cross multiply
   63,240.75x = 132,290.72 × 132,290.72
4. Step 4: Simplify right side
   63,240.75x = 17,500,834,267.39
5. Step 5: Solve for x
   x = 17,500,834,267.39/63,240.75
6. Step 6: Final answer
   x = 276,733.50