Finding the Third Proportional to 150,139.50 and 233,820

Step by Step Solution

1. Step 1: Write the proportion equation
   150,139.50 : 233,820 = 233,820 : x
2. Step 2: Convert to fraction form
   150,139.50/233,820 = 233,820/x
3. Step 3: Cross multiply
   150,139.50x = 233,820 × 233,820
4. Step 4: Simplify right side
   150,139.50x = 54,671,792,400
5. Step 5: Solve for x
   x = 54,671,792,400/150,139.50
6. Step 6: Final answer
   x = 364,139.97