Finding the Third Proportional to 90,076.50 and 141,259.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,076.50 : 141,259.50 = 141,259.50 : x
2. Step 2: Convert to fraction form
   90,076.50/141,259.50 = 141,259.50/x
3. Step 3: Cross multiply
   90,076.50x = 141,259.50 × 141,259.50
4. Step 4: Simplify right side
   90,076.50x = 19,954,246,340.25
5. Step 5: Solve for x
   x = 19,954,246,340.25/90,076.50
6. Step 6: Final answer
   x = 221,525.55