Finding the Third Proportional to 54,828 and 74,298

Step by Step Solution

1. Step 1: Write the proportion equation
   54,828 : 74,298 = 74,298 : x
2. Step 2: Convert to fraction form
   54,828/74,298 = 74,298/x
3. Step 3: Cross multiply
   54,828x = 74,298 × 74,298
4. Step 4: Simplify right side
   54,828x = 5,520,192,804
5. Step 5: Solve for x
   x = 5,520,192,804/54,828
6. Step 6: Final answer
   x = 100,682.00