Finding the Third Proportional to 17,907 and 31,479

Step by Step Solution

1. Step 1: Write the proportion equation
   17,907 : 31,479 = 31,479 : x
2. Step 2: Convert to fraction form
   17,907/31,479 = 31,479/x
3. Step 3: Cross multiply
   17,907x = 31,479 × 31,479
4. Step 4: Simplify right side
   17,907x = 990,927,441
5. Step 5: Solve for x
   x = 990,927,441/17,907
6. Step 6: Final answer
   x = 55,337.43