Finding the Third Proportional to 68,897.75 and 103,346.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,897.75 : 103,346.50 = 103,346.50 : x
2. Step 2: Convert to fraction form
   68,897.75/103,346.50 = 103,346.50/x
3. Step 3: Cross multiply
   68,897.75x = 103,346.50 × 103,346.50
4. Step 4: Simplify right side
   68,897.75x = 10,680,499,062.25
5. Step 5: Solve for x
   x = 10,680,499,062.25/68,897.75
6. Step 6: Final answer
   x = 155,019.56