Finding the Third Proportional to 82,799 and 131,200.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,799 : 131,200.50 = 131,200.50 : x
2. Step 2: Convert to fraction form
   82,799/131,200.50 = 131,200.50/x
3. Step 3: Cross multiply
   82,799x = 131,200.50 × 131,200.50
4. Step 4: Simplify right side
   82,799x = 17,213,571,200.25
5. Step 5: Solve for x
   x = 17,213,571,200.25/82,799
6. Step 6: Final answer
   x = 207,895.88