Finding the Third Proportional to 108,938 and 154,155

Step by Step Solution

1. Step 1: Write the proportion equation
   108,938 : 154,155 = 154,155 : x
2. Step 2: Convert to fraction form
   108,938/154,155 = 154,155/x
3. Step 3: Cross multiply
   108,938x = 154,155 × 154,155
4. Step 4: Simplify right side
   108,938x = 23,763,764,025
5. Step 5: Solve for x
   x = 23,763,764,025/108,938
6. Step 6: Final answer
   x = 218,140.26