Finding the Third Proportional to 83,475 and 129,271.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,475 : 129,271.50 = 129,271.50 : x
2. Step 2: Convert to fraction form
   83,475/129,271.50 = 129,271.50/x
3. Step 3: Cross multiply
   83,475x = 129,271.50 × 129,271.50
4. Step 4: Simplify right side
   83,475x = 16,711,120,712.25
5. Step 5: Solve for x
   x = 16,711,120,712.25/83,475
6. Step 6: Final answer
   x = 200,193.12