Finding the Third Proportional to 111,912 and 168,948

Step by Step Solution

1. Step 1: Write the proportion equation
   111,912 : 168,948 = 168,948 : x
2. Step 2: Convert to fraction form
   111,912/168,948 = 168,948/x
3. Step 3: Cross multiply
   111,912x = 168,948 × 168,948
4. Step 4: Simplify right side
   111,912x = 28,543,426,704
5. Step 5: Solve for x
   x = 28,543,426,704/111,912
6. Step 6: Final answer
   x = 255,052.42