Finding the Third Proportional to 542,874 and 1,072,123

Step by Step Solution

1. Step 1: Write the proportion equation
   542,874 : 1,072,123 = 1,072,123 : x
2. Step 2: Convert to fraction form
   542,874/1,072,123 = 1,072,123/x
3. Step 3: Cross multiply
   542,874x = 1,072,123 × 1,072,123
4. Step 4: Simplify right side
   542,874x = 1,149,447,727,129
5. Step 5: Solve for x
   x = 1,149,447,727,129/542,874
6. Step 6: Final answer
   x = 2,117,337.96