Finding the Third Proportional to 85,903.88 and 131,074.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,903.88 : 131,074.50 = 131,074.50 : x
2. Step 2: Convert to fraction form
   85,903.88/131,074.50 = 131,074.50/x
3. Step 3: Cross multiply
   85,903.88x = 131,074.50 × 131,074.50
4. Step 4: Simplify right side
   85,903.88x = 17,180,524,550.25
5. Step 5: Solve for x
   x = 17,180,524,550.25/85,903.88
6. Step 6: Final answer
   x = 199,997.08