Finding the Third Proportional to 42,228 and 61,992

Step by Step Solution

1. Step 1: Write the proportion equation
   42,228 : 61,992 = 61,992 : x
2. Step 2: Convert to fraction form
   42,228/61,992 = 61,992/x
3. Step 3: Cross multiply
   42,228x = 61,992 × 61,992
4. Step 4: Simplify right side
   42,228x = 3,843,008,064
5. Step 5: Solve for x
   x = 3,843,008,064/42,228
6. Step 6: Final answer
   x = 91,006.16