Finding the Third Proportional to 69,149.50 and 150,866

Step by Step Solution

1. Step 1: Write the proportion equation
   69,149.50 : 150,866 = 150,866 : x
2. Step 2: Convert to fraction form
   69,149.50/150,866 = 150,866/x
3. Step 3: Cross multiply
   69,149.50x = 150,866 × 150,866
4. Step 4: Simplify right side
   69,149.50x = 22,760,549,956
5. Step 5: Solve for x
   x = 22,760,549,956/69,149.50
6. Step 6: Final answer
   x = 329,149.88