Finding the Third Proportional to 38,298 and 55,161

Step by Step Solution

1. Step 1: Write the proportion equation
   38,298 : 55,161 = 55,161 : x
2. Step 2: Convert to fraction form
   38,298/55,161 = 55,161/x
3. Step 3: Cross multiply
   38,298x = 55,161 × 55,161
4. Step 4: Simplify right side
   38,298x = 3,042,735,921
5. Step 5: Solve for x
   x = 3,042,735,921/38,298
6. Step 6: Final answer
   x = 79,448.95