Finding the Third Proportional to 52,828 and 80,216

Step by Step Solution

1. Step 1: Write the proportion equation
   52,828 : 80,216 = 80,216 : x
2. Step 2: Convert to fraction form
   52,828/80,216 = 80,216/x
3. Step 3: Cross multiply
   52,828x = 80,216 × 80,216
4. Step 4: Simplify right side
   52,828x = 6,434,606,656
5. Step 5: Solve for x
   x = 6,434,606,656/52,828
6. Step 6: Final answer
   x = 121,802.96