Finding the Third Proportional to 57,208.50 and 123,948

Step by Step Solution

1. Step 1: Write the proportion equation
   57,208.50 : 123,948 = 123,948 : x
2. Step 2: Convert to fraction form
   57,208.50/123,948 = 123,948/x
3. Step 3: Cross multiply
   57,208.50x = 123,948 × 123,948
4. Step 4: Simplify right side
   57,208.50x = 15,363,106,704
5. Step 5: Solve for x
   x = 15,363,106,704/57,208.50
6. Step 6: Final answer
   x = 268,545.88