Finding the Third Proportional to 173,513.25 and 262,458

Step by Step Solution

1. Step 1: Write the proportion equation
   173,513.25 : 262,458 = 262,458 : x
2. Step 2: Convert to fraction form
   173,513.25/262,458 = 262,458/x
3. Step 3: Cross multiply
   173,513.25x = 262,458 × 262,458
4. Step 4: Simplify right side
   173,513.25x = 68,884,201,764
5. Step 5: Solve for x
   x = 68,884,201,764/173,513.25
6. Step 6: Final answer
   x = 396,996.78