Finding the Third Proportional to 99,328.50 and 151,285.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,328.50 : 151,285.50 = 151,285.50 : x
2. Step 2: Convert to fraction form
   99,328.50/151,285.50 = 151,285.50/x
3. Step 3: Cross multiply
   99,328.50x = 151,285.50 × 151,285.50
4. Step 4: Simplify right side
   99,328.50x = 22,887,302,510.25
5. Step 5: Solve for x
   x = 22,887,302,510.25/99,328.50
6. Step 6: Final answer
   x = 230,420.30