Finding the Third Proportional to 89,228 and 130,489.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,228 : 130,489.50 = 130,489.50 : x
2. Step 2: Convert to fraction form
   89,228/130,489.50 = 130,489.50/x
3. Step 3: Cross multiply
   89,228x = 130,489.50 × 130,489.50
4. Step 4: Simplify right side
   89,228x = 17,027,509,610.25
5. Step 5: Solve for x
   x = 17,027,509,610.25/89,228
6. Step 6: Final answer
   x = 190,831.46