Finding the Third Proportional to 542,916 and 1,182,216

Step by Step Solution

1. Step 1: Write the proportion equation
   542,916 : 1,182,216 = 1,182,216 : x
2. Step 2: Convert to fraction form
   542,916/1,182,216 = 1,182,216/x
3. Step 3: Cross multiply
   542,916x = 1,182,216 × 1,182,216
4. Step 4: Simplify right side
   542,916x = 1,397,634,670,656
5. Step 5: Solve for x
   x = 1,397,634,670,656/542,916
6. Step 6: Final answer
   x = 2,574,311.07