Finding the Third Proportional to 158,145.75 and 334,631.25

Step by Step Solution

1. Step 1: Write the proportion equation
   158,145.75 : 334,631.25 = 334,631.25 : x
2. Step 2: Convert to fraction form
   158,145.75/334,631.25 = 334,631.25/x
3. Step 3: Cross multiply
   158,145.75x = 334,631.25 × 334,631.25
4. Step 4: Simplify right side
   158,145.75x = 111,978,073,476.56
5. Step 5: Solve for x
   x = 111,978,073,476.56/158,145.75
6. Step 6: Final answer
   x = 708,068.81