Finding the Third Proportional to 119,508.50 and 260,086

Step by Step Solution

1. Step 1: Write the proportion equation
   119,508.50 : 260,086 = 260,086 : x
2. Step 2: Convert to fraction form
   119,508.50/260,086 = 260,086/x
3. Step 3: Cross multiply
   119,508.50x = 260,086 × 260,086
4. Step 4: Simplify right side
   119,508.50x = 67,644,727,396
5. Step 5: Solve for x
   x = 67,644,727,396/119,508.50
6. Step 6: Final answer
   x = 566,024.40