Finding the Third Proportional to 72,917 and 112,658

Step by Step Solution

1. Step 1: Write the proportion equation
   72,917 : 112,658 = 112,658 : x
2. Step 2: Convert to fraction form
   72,917/112,658 = 112,658/x
3. Step 3: Cross multiply
   72,917x = 112,658 × 112,658
4. Step 4: Simplify right side
   72,917x = 12,691,824,964
5. Step 5: Solve for x
   x = 12,691,824,964/72,917
6. Step 6: Final answer
   x = 174,058.52