Finding the Third Proportional to 68,475 and 103,198.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,475 : 103,198.50 = 103,198.50 : x
2. Step 2: Convert to fraction form
   68,475/103,198.50 = 103,198.50/x
3. Step 3: Cross multiply
   68,475x = 103,198.50 × 103,198.50
4. Step 4: Simplify right side
   68,475x = 10,649,930,402.25
5. Step 5: Solve for x
   x = 10,649,930,402.25/68,475
6. Step 6: Final answer
   x = 155,530.20