Finding the Third Proportional to 68,578 and 103,600

Step by Step Solution

1. Step 1: Write the proportion equation
   68,578 : 103,600 = 103,600 : x
2. Step 2: Convert to fraction form
   68,578/103,600 = 103,600/x
3. Step 3: Cross multiply
   68,578x = 103,600 × 103,600
4. Step 4: Simplify right side
   68,578x = 10,732,960,000
5. Step 5: Solve for x
   x = 10,732,960,000/68,578
6. Step 6: Final answer
   x = 156,507.33