Finding the Third Proportional to 21,426 and 31,482

Step by Step Solution

1. Step 1: Write the proportion equation
   21,426 : 31,482 = 31,482 : x
2. Step 2: Convert to fraction form
   21,426/31,482 = 31,482/x
3. Step 3: Cross multiply
   21,426x = 31,482 × 31,482
4. Step 4: Simplify right side
   21,426x = 991,116,324
5. Step 5: Solve for x
   x = 991,116,324/21,426
6. Step 6: Final answer
   x = 46,257.65