Finding the Third Proportional to 21,659 and 34,460

Step by Step Solution

1. Step 1: Write the proportion equation
   21,659 : 34,460 = 34,460 : x
2. Step 2: Convert to fraction form
   21,659/34,460 = 34,460/x
3. Step 3: Cross multiply
   21,659x = 34,460 × 34,460
4. Step 4: Simplify right side
   21,659x = 1,187,491,600
5. Step 5: Solve for x
   x = 1,187,491,600/21,659
6. Step 6: Final answer
   x = 54,826.70