Finding the Third Proportional to 170,852.50 and 260,493

Step by Step Solution

1. Step 1: Write the proportion equation
   170,852.50 : 260,493 = 260,493 : x
2. Step 2: Convert to fraction form
   170,852.50/260,493 = 260,493/x
3. Step 3: Cross multiply
   170,852.50x = 260,493 × 260,493
4. Step 4: Simplify right side
   170,852.50x = 67,856,603,049
5. Step 5: Solve for x
   x = 67,856,603,049/170,852.50
6. Step 6: Final answer
   x = 397,164.82