Finding the Third Proportional to 158,850.28 and 309,718.69

Step by Step Solution

1. Step 1: Write the proportion equation
   158,850.28 : 309,718.69 = 309,718.69 : x
2. Step 2: Convert to fraction form
   158,850.28/309,718.69 = 309,718.69/x
3. Step 3: Cross multiply
   158,850.28x = 309,718.69 × 309,718.69
4. Step 4: Simplify right side
   158,850.28x = 95,925,665,386.72
5. Step 5: Solve for x
   x = 95,925,665,386.72/158,850.28
6. Step 6: Final answer
   x = 603,874.70