Finding the Third Proportional to 68,890.50 and 126,982.69

Step by Step Solution

1. Step 1: Write the proportion equation
   68,890.50 : 126,982.69 = 126,982.69 : x
2. Step 2: Convert to fraction form
   68,890.50/126,982.69 = 126,982.69/x
3. Step 3: Cross multiply
   68,890.50x = 126,982.69 × 126,982.69
4. Step 4: Simplify right side
   68,890.50x = 16,124,602,924.72
5. Step 5: Solve for x
   x = 16,124,602,924.72/68,890.50
6. Step 6: Final answer
   x = 234,061.34