Finding the Third Proportional to 69,139.50 and 150,793

Step by Step Solution

1. Step 1: Write the proportion equation
   69,139.50 : 150,793 = 150,793 : x
2. Step 2: Convert to fraction form
   69,139.50/150,793 = 150,793/x
3. Step 3: Cross multiply
   69,139.50x = 150,793 × 150,793
4. Step 4: Simplify right side
   69,139.50x = 22,738,528,849
5. Step 5: Solve for x
   x = 22,738,528,849/69,139.50
6. Step 6: Final answer
   x = 328,878.99