Finding the Third Proportional to 74,298 and 111,799

Step by Step Solution

1. Step 1: Write the proportion equation
   74,298 : 111,799 = 111,799 : x
2. Step 2: Convert to fraction form
   74,298/111,799 = 111,799/x
3. Step 3: Cross multiply
   74,298x = 111,799 × 111,799
4. Step 4: Simplify right side
   74,298x = 12,499,016,401
5. Step 5: Solve for x
   x = 12,499,016,401/74,298
6. Step 6: Final answer
   x = 168,228.17