Finding the Third Proportional to 89,203.78 and 130,456.83

Step by Step Solution

1. Step 1: Write the proportion equation
   89,203.78 : 130,456.83 = 130,456.83 : x
2. Step 2: Convert to fraction form
   89,203.78/130,456.83 = 130,456.83/x
3. Step 3: Cross multiply
   89,203.78x = 130,456.83 × 130,456.83
4. Step 4: Simplify right side
   89,203.78x = 17,018,984,004.44
5. Step 5: Solve for x
   x = 17,018,984,004.44/89,203.78
6. Step 6: Final answer
   x = 190,787.70