Finding the Third Proportional to 63,132.75 and 140,279.06

Step by Step Solution

1. Step 1: Write the proportion equation
   63,132.75 : 140,279.06 = 140,279.06 : x
2. Step 2: Convert to fraction form
   63,132.75/140,279.06 = 140,279.06/x
3. Step 3: Cross multiply
   63,132.75x = 140,279.06 × 140,279.06
4. Step 4: Simplify right side
   63,132.75x = 19,678,215,375.88
5. Step 5: Solve for x
   x = 19,678,215,375.88/63,132.75
6. Step 6: Final answer
   x = 311,695.84