Finding the Third Proportional to 90,103.50 and 131,080.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,103.50 : 131,080.50 = 131,080.50 : x
2. Step 2: Convert to fraction form
   90,103.50/131,080.50 = 131,080.50/x
3. Step 3: Cross multiply
   90,103.50x = 131,080.50 × 131,080.50
4. Step 4: Simplify right side
   90,103.50x = 17,182,097,480.25
5. Step 5: Solve for x
   x = 17,182,097,480.25/90,103.50
6. Step 6: Final answer
   x = 190,692.90