Finding the Third Proportional to 88,686 and 190,494

Step by Step Solution

1. Step 1: Write the proportion equation
   88,686 : 190,494 = 190,494 : x
2. Step 2: Convert to fraction form
   88,686/190,494 = 190,494/x
3. Step 3: Cross multiply
   88,686x = 190,494 × 190,494
4. Step 4: Simplify right side
   88,686x = 36,287,964,036
5. Step 5: Solve for x
   x = 36,287,964,036/88,686
6. Step 6: Final answer
   x = 409,173.53