Finding the Third Proportional to 31,940 and 70,158

Step by Step Solution

1. Step 1: Write the proportion equation
   31,940 : 70,158 = 70,158 : x
2. Step 2: Convert to fraction form
   31,940/70,158 = 70,158/x
3. Step 3: Cross multiply
   31,940x = 70,158 × 70,158
4. Step 4: Simplify right side
   31,940x = 4,922,144,964
5. Step 5: Solve for x
   x = 4,922,144,964/31,940
6. Step 6: Final answer
   x = 154,105.98