Finding the Third Proportional to 68,155.50 and 103,459.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,155.50 : 103,459.50 = 103,459.50 : x
2. Step 2: Convert to fraction form
   68,155.50/103,459.50 = 103,459.50/x
3. Step 3: Cross multiply
   68,155.50x = 103,459.50 × 103,459.50
4. Step 4: Simplify right side
   68,155.50x = 10,703,868,140.25
5. Step 5: Solve for x
   x = 10,703,868,140.25/68,155.50
6. Step 6: Final answer
   x = 157,050.69