Finding the Third Proportional to 83,403 and 126,724.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,403 : 126,724.50 = 126,724.50 : x
2. Step 2: Convert to fraction form
   83,403/126,724.50 = 126,724.50/x
3. Step 3: Cross multiply
   83,403x = 126,724.50 × 126,724.50
4. Step 4: Simplify right side
   83,403x = 16,059,098,900.25
5. Step 5: Solve for x
   x = 16,059,098,900.25/83,403
6. Step 6: Final answer
   x = 192,548.22