Finding the Third Proportional to 99,708 and 153,256.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,708 : 153,256.50 = 153,256.50 : x
2. Step 2: Convert to fraction form
   99,708/153,256.50 = 153,256.50/x
3. Step 3: Cross multiply
   99,708x = 153,256.50 × 153,256.50
4. Step 4: Simplify right side
   99,708x = 23,487,554,792.25
5. Step 5: Solve for x
   x = 23,487,554,792.25/99,708
6. Step 6: Final answer
   x = 235,563.39