Finding the Third Proportional to 103,608 and 151,999.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,608 : 151,999.50 = 151,999.50 : x
2. Step 2: Convert to fraction form
   103,608/151,999.50 = 151,999.50/x
3. Step 3: Cross multiply
   103,608x = 151,999.50 × 151,999.50
4. Step 4: Simplify right side
   103,608x = 23,103,848,000.25
5. Step 5: Solve for x
   x = 23,103,848,000.25/103,608
6. Step 6: Final answer
   x = 222,992.90