Finding the Third Proportional to 69,234.75 and 150,619.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,234.75 : 150,619.50 = 150,619.50 : x
2. Step 2: Convert to fraction form
   69,234.75/150,619.50 = 150,619.50/x
3. Step 3: Cross multiply
   69,234.75x = 150,619.50 × 150,619.50
4. Step 4: Simplify right side
   69,234.75x = 22,686,233,780.25
5. Step 5: Solve for x
   x = 22,686,233,780.25/69,234.75
6. Step 6: Final answer
   x = 327,671.20