Finding the Third Proportional to 72,099 and 107,550.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,099 : 107,550.50 = 107,550.50 : x
2. Step 2: Convert to fraction form
   72,099/107,550.50 = 107,550.50/x
3. Step 3: Cross multiply
   72,099x = 107,550.50 × 107,550.50
4. Step 4: Simplify right side
   72,099x = 11,567,110,050.25
5. Step 5: Solve for x
   x = 11,567,110,050.25/72,099
6. Step 6: Final answer
   x = 160,433.71