Finding the Third Proportional to 71,373 and 96,139.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,373 : 96,139.50 = 96,139.50 : x
2. Step 2: Convert to fraction form
   71,373/96,139.50 = 96,139.50/x
3. Step 3: Cross multiply
   71,373x = 96,139.50 × 96,139.50
4. Step 4: Simplify right side
   71,373x = 9,242,803,460.25
5. Step 5: Solve for x
   x = 9,242,803,460.25/71,373
6. Step 6: Final answer
   x = 129,500.00