Finding the Third Proportional to 71,500.50 and 141,203.25

Step by Step Solution

1. Step 1: Write the proportion equation
   71,500.50 : 141,203.25 = 141,203.25 : x
2. Step 2: Convert to fraction form
   71,500.50/141,203.25 = 141,203.25/x
3. Step 3: Cross multiply
   71,500.50x = 141,203.25 × 141,203.25
4. Step 4: Simplify right side
   71,500.50x = 19,938,357,810.56
5. Step 5: Solve for x
   x = 19,938,357,810.56/71,500.50
6. Step 6: Final answer
   x = 278,856.20