Finding the Third Proportional to 42,828 and 60,873

Step by Step Solution

1. Step 1: Write the proportion equation
   42,828 : 60,873 = 60,873 : x
2. Step 2: Convert to fraction form
   42,828/60,873 = 60,873/x
3. Step 3: Cross multiply
   42,828x = 60,873 × 60,873
4. Step 4: Simplify right side
   42,828x = 3,705,522,129
5. Step 5: Solve for x
   x = 3,705,522,129/42,828
6. Step 6: Final answer
   x = 86,521.02