Finding the Third Proportional to 46,805 and 60,721

Step by Step Solution

1. Step 1: Write the proportion equation
   46,805 : 60,721 = 60,721 : x
2. Step 2: Convert to fraction form
   46,805/60,721 = 60,721/x
3. Step 3: Cross multiply
   46,805x = 60,721 × 60,721
4. Step 4: Simplify right side
   46,805x = 3,687,039,841
5. Step 5: Solve for x
   x = 3,687,039,841/46,805
6. Step 6: Final answer
   x = 78,774.49