Finding the Third Proportional to 99,995.50 and 155,035.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,995.50 : 155,035.50 = 155,035.50 : x
2. Step 2: Convert to fraction form
   99,995.50/155,035.50 = 155,035.50/x
3. Step 3: Cross multiply
   99,995.50x = 155,035.50 × 155,035.50
4. Step 4: Simplify right side
   99,995.50x = 24,036,006,260.25
5. Step 5: Solve for x
   x = 24,036,006,260.25/99,995.50
6. Step 6: Final answer
   x = 240,370.88