Finding the Third Proportional to 168,612 and 361,141.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,612 : 361,141.50 = 361,141.50 : x
2. Step 2: Convert to fraction form
   168,612/361,141.50 = 361,141.50/x
3. Step 3: Cross multiply
   168,612x = 361,141.50 × 361,141.50
4. Step 4: Simplify right side
   168,612x = 130,423,183,022.25
5. Step 5: Solve for x
   x = 130,423,183,022.25/168,612
6. Step 6: Final answer
   x = 773,510.68