Finding the Third Proportional to 68,782.50 and 150,934.69

Step by Step Solution

1. Step 1: Write the proportion equation
   68,782.50 : 150,934.69 = 150,934.69 : x
2. Step 2: Convert to fraction form
   68,782.50/150,934.69 = 150,934.69/x
3. Step 3: Cross multiply
   68,782.50x = 150,934.69 × 150,934.69
4. Step 4: Simplify right side
   68,782.50x = 22,781,279,890.72
5. Step 5: Solve for x
   x = 22,781,279,890.72/68,782.50
6. Step 6: Final answer
   x = 331,207.50