Finding the Third Proportional to 100,986.50 and 153,578

Step by Step Solution

1. Step 1: Write the proportion equation
   100,986.50 : 153,578 = 153,578 : x
2. Step 2: Convert to fraction form
   100,986.50/153,578 = 153,578/x
3. Step 3: Cross multiply
   100,986.50x = 153,578 × 153,578
4. Step 4: Simplify right side
   100,986.50x = 23,586,202,084
5. Step 5: Solve for x
   x = 23,586,202,084/100,986.50
6. Step 6: Final answer
   x = 233,557.97