Finding the Third Proportional to 99,065.50 and 150,490.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,065.50 : 150,490.50 = 150,490.50 : x
2. Step 2: Convert to fraction form
   99,065.50/150,490.50 = 150,490.50/x
3. Step 3: Cross multiply
   99,065.50x = 150,490.50 × 150,490.50
4. Step 4: Simplify right side
   99,065.50x = 22,647,390,590.25
5. Step 5: Solve for x
   x = 22,647,390,590.25/99,065.50
6. Step 6: Final answer
   x = 228,610.27