Finding the Third Proportional to 108,940 and 154,158

Step by Step Solution

1. Step 1: Write the proportion equation
   108,940 : 154,158 = 154,158 : x
2. Step 2: Convert to fraction form
   108,940/154,158 = 154,158/x
3. Step 3: Cross multiply
   108,940x = 154,158 × 154,158
4. Step 4: Simplify right side
   108,940x = 23,764,688,964
5. Step 5: Solve for x
   x = 23,764,688,964/108,940
6. Step 6: Final answer
   x = 218,144.75