Finding the Third Proportional to 72,606 and 112,158

Step by Step Solution

1. Step 1: Write the proportion equation
   72,606 : 112,158 = 112,158 : x
2. Step 2: Convert to fraction form
   72,606/112,158 = 112,158/x
3. Step 3: Cross multiply
   72,606x = 112,158 × 112,158
4. Step 4: Simplify right side
   72,606x = 12,579,416,964
5. Step 5: Solve for x
   x = 12,579,416,964/72,606
6. Step 6: Final answer
   x = 173,255.89