Finding the Third Proportional to 82,860 and 131,414.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,860 : 131,414.50 = 131,414.50 : x
2. Step 2: Convert to fraction form
   82,860/131,414.50 = 131,414.50/x
3. Step 3: Cross multiply
   82,860x = 131,414.50 × 131,414.50
4. Step 4: Simplify right side
   82,860x = 17,269,770,810.25
5. Step 5: Solve for x
   x = 17,269,770,810.25/82,860
6. Step 6: Final answer
   x = 208,421.08