Finding the Third Proportional to 99,150.75 and 148,945.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,150.75 : 148,945.50 = 148,945.50 : x
2. Step 2: Convert to fraction form
   99,150.75/148,945.50 = 148,945.50/x
3. Step 3: Cross multiply
   99,150.75x = 148,945.50 × 148,945.50
4. Step 4: Simplify right side
   99,150.75x = 22,184,761,970.25
5. Step 5: Solve for x
   x = 22,184,761,970.25/99,150.75
6. Step 6: Final answer
   x = 223,747.80