Finding the Third Proportional to 150,321.38 and 313,081.31

Step by Step Solution

1. Step 1: Write the proportion equation
   150,321.38 : 313,081.31 = 313,081.31 : x
2. Step 2: Convert to fraction form
   150,321.38/313,081.31 = 313,081.31/x
3. Step 3: Cross multiply
   150,321.38x = 313,081.31 × 313,081.31
4. Step 4: Simplify right side
   150,321.38x = 98,019,908,236.72
5. Step 5: Solve for x
   x = 98,019,908,236.72/150,321.38
6. Step 6: Final answer
   x = 652,069.00