Finding the Third Proportional to 65,479.50 and 140,517

Step by Step Solution

1. Step 1: Write the proportion equation
   65,479.50 : 140,517 = 140,517 : x
2. Step 2: Convert to fraction form
   65,479.50/140,517 = 140,517/x
3. Step 3: Cross multiply
   65,479.50x = 140,517 × 140,517
4. Step 4: Simplify right side
   65,479.50x = 19,745,027,289
5. Step 5: Solve for x
   x = 19,745,027,289/65,479.50
6. Step 6: Final answer
   x = 301,545.18