Finding the Third Proportional to 89,231.63 and 131,380.31

Step by Step Solution

1. Step 1: Write the proportion equation
   89,231.63 : 131,380.31 = 131,380.31 : x
2. Step 2: Convert to fraction form
   89,231.63/131,380.31 = 131,380.31/x
3. Step 3: Cross multiply
   89,231.63x = 131,380.31 × 131,380.31
4. Step 4: Simplify right side
   89,231.63x = 17,260,786,512.60
5. Step 5: Solve for x
   x = 17,260,786,512.60/89,231.63
6. Step 6: Final answer
   x = 193,437.99