Finding the Third Proportional to 112,854 and 171,499

Step by Step Solution

1. Step 1: Write the proportion equation
   112,854 : 171,499 = 171,499 : x
2. Step 2: Convert to fraction form
   112,854/171,499 = 171,499/x
3. Step 3: Cross multiply
   112,854x = 171,499 × 171,499
4. Step 4: Simplify right side
   112,854x = 29,411,907,001
5. Step 5: Solve for x
   x = 29,411,907,001/112,854
6. Step 6: Final answer
   x = 260,619.09