Finding the Third Proportional to 119,272.50 and 260,388

Step by Step Solution

1. Step 1: Write the proportion equation
   119,272.50 : 260,388 = 260,388 : x
2. Step 2: Convert to fraction form
   119,272.50/260,388 = 260,388/x
3. Step 3: Cross multiply
   119,272.50x = 260,388 × 260,388
4. Step 4: Simplify right side
   119,272.50x = 67,801,910,544
5. Step 5: Solve for x
   x = 67,801,910,544/119,272.50
6. Step 6: Final answer
   x = 568,462.22