Finding the Third Proportional to 99,250.50 and 153,721.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,250.50 : 153,721.50 = 153,721.50 : x
2. Step 2: Convert to fraction form
   99,250.50/153,721.50 = 153,721.50/x
3. Step 3: Cross multiply
   99,250.50x = 153,721.50 × 153,721.50
4. Step 4: Simplify right side
   99,250.50x = 23,630,299,562.25
5. Step 5: Solve for x
   x = 23,630,299,562.25/99,250.50
6. Step 6: Final answer
   x = 238,087.46