Finding the Third Proportional to 100,608 and 149,170.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,608 : 149,170.50 = 149,170.50 : x
2. Step 2: Convert to fraction form
   100,608/149,170.50 = 149,170.50/x
3. Step 3: Cross multiply
   100,608x = 149,170.50 × 149,170.50
4. Step 4: Simplify right side
   100,608x = 22,251,838,070.25
5. Step 5: Solve for x
   x = 22,251,838,070.25/100,608
6. Step 6: Final answer
   x = 221,173.64