Finding the Third Proportional to 170,113.50 and 361,731

Step by Step Solution

1. Step 1: Write the proportion equation
   170,113.50 : 361,731 = 361,731 : x
2. Step 2: Convert to fraction form
   170,113.50/361,731 = 361,731/x
3. Step 3: Cross multiply
   170,113.50x = 361,731 × 361,731
4. Step 4: Simplify right side
   170,113.50x = 130,849,316,361
5. Step 5: Solve for x
   x = 130,849,316,361/170,113.50
6. Step 6: Final answer
   x = 769,188.31