Finding the Third Proportional to 89,560.50 and 130,648.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,560.50 : 130,648.88 = 130,648.88 : x
2. Step 2: Convert to fraction form
   89,560.50/130,648.88 = 130,648.88/x
3. Step 3: Cross multiply
   89,560.50x = 130,648.88 × 130,648.88
4. Step 4: Simplify right side
   89,560.50x = 17,069,128,538.77
5. Step 5: Solve for x
   x = 17,069,128,538.77/89,560.50
6. Step 6: Final answer
   x = 190,587.69