Finding the Third Proportional to 78,868.69 and 124,043.91

Step by Step Solution

1. Step 1: Write the proportion equation
   78,868.69 : 124,043.91 = 124,043.91 : x
2. Step 2: Convert to fraction form
   78,868.69/124,043.91 = 124,043.91/x
3. Step 3: Cross multiply
   78,868.69x = 124,043.91 × 124,043.91
4. Step 4: Simplify right side
   78,868.69x = 15,386,890,677.76
5. Step 5: Solve for x
   x = 15,386,890,677.76/78,868.69
6. Step 6: Final answer
   x = 195,095.05