Finding the Third Proportional to 88,454 and 192,298

Step by Step Solution

1. Step 1: Write the proportion equation
   88,454 : 192,298 = 192,298 : x
2. Step 2: Convert to fraction form
   88,454/192,298 = 192,298/x
3. Step 3: Cross multiply
   88,454x = 192,298 × 192,298
4. Step 4: Simplify right side
   88,454x = 36,978,520,804
5. Step 5: Solve for x
   x = 36,978,520,804/88,454
6. Step 6: Final answer
   x = 418,053.69