Finding the Third Proportional to 69,139.75 and 150,793.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,139.75 : 150,793.50 = 150,793.50 : x
2. Step 2: Convert to fraction form
   69,139.75/150,793.50 = 150,793.50/x
3. Step 3: Cross multiply
   69,139.75x = 150,793.50 × 150,793.50
4. Step 4: Simplify right side
   69,139.75x = 22,738,679,642.25
5. Step 5: Solve for x
   x = 22,738,679,642.25/69,139.75
6. Step 6: Final answer
   x = 328,879.98