Finding the Third Proportional to 119,058 and 254,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   119,058 : 254,488.50 = 254,488.50 : x
2. Step 2: Convert to fraction form
   119,058/254,488.50 = 254,488.50/x
3. Step 3: Cross multiply
   119,058x = 254,488.50 × 254,488.50
4. Step 4: Simplify right side
   119,058x = 64,764,396,632.25
5. Step 5: Solve for x
   x = 64,764,396,632.25/119,058
6. Step 6: Final answer
   x = 543,973.50