Finding the Third Proportional to 28,273 and 42,474

Step by Step Solution

1. Step 1: Write the proportion equation
   28,273 : 42,474 = 42,474 : x
2. Step 2: Convert to fraction form
   28,273/42,474 = 42,474/x
3. Step 3: Cross multiply
   28,273x = 42,474 × 42,474
4. Step 4: Simplify right side
   28,273x = 1,804,040,676
5. Step 5: Solve for x
   x = 1,804,040,676/28,273
6. Step 6: Final answer
   x = 63,807.90