Finding the Third Proportional to 168,058 and 260,349.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,058 : 260,349.50 = 260,349.50 : x
2. Step 2: Convert to fraction form
   168,058/260,349.50 = 260,349.50/x
3. Step 3: Cross multiply
   168,058x = 260,349.50 × 260,349.50
4. Step 4: Simplify right side
   168,058x = 67,781,862,150.25
5. Step 5: Solve for x
   x = 67,781,862,150.25/168,058
6. Step 6: Final answer
   x = 403,324.22