Finding the Third Proportional to 83,079 and 128,854.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,079 : 128,854.50 = 128,854.50 : x
2. Step 2: Convert to fraction form
   83,079/128,854.50 = 128,854.50/x
3. Step 3: Cross multiply
   83,079x = 128,854.50 × 128,854.50
4. Step 4: Simplify right side
   83,079x = 16,603,482,170.25
5. Step 5: Solve for x
   x = 16,603,482,170.25/83,079
6. Step 6: Final answer
   x = 199,851.73