Finding the Third Proportional to 83,041.50 and 128,934

Step by Step Solution

1. Step 1: Write the proportion equation
   83,041.50 : 128,934 = 128,934 : x
2. Step 2: Convert to fraction form
   83,041.50/128,934 = 128,934/x
3. Step 3: Cross multiply
   83,041.50x = 128,934 × 128,934
4. Step 4: Simplify right side
   83,041.50x = 16,623,976,356
5. Step 5: Solve for x
   x = 16,623,976,356/83,041.50
6. Step 6: Final answer
   x = 200,188.78