Finding the Third Proportional to 85,858.50 and 131,350.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,858.50 : 131,350.50 = 131,350.50 : x
2. Step 2: Convert to fraction form
   85,858.50/131,350.50 = 131,350.50/x
3. Step 3: Cross multiply
   85,858.50x = 131,350.50 × 131,350.50
4. Step 4: Simplify right side
   85,858.50x = 17,252,953,850.25
5. Step 5: Solve for x
   x = 17,252,953,850.25/85,858.50
6. Step 6: Final answer
   x = 200,946.37