Finding the Third Proportional to 99,003 and 153,436.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,003 : 153,436.50 = 153,436.50 : x
2. Step 2: Convert to fraction form
   99,003/153,436.50 = 153,436.50/x
3. Step 3: Cross multiply
   99,003x = 153,436.50 × 153,436.50
4. Step 4: Simplify right side
   99,003x = 23,542,759,532.25
5. Step 5: Solve for x
   x = 23,542,759,532.25/99,003
6. Step 6: Final answer
   x = 237,798.45