Finding the Third Proportional to 542,486 and 1,188,314

Step by Step Solution

1. Step 1: Write the proportion equation
   542,486 : 1,188,314 = 1,188,314 : x
2. Step 2: Convert to fraction form
   542,486/1,188,314 = 1,188,314/x
3. Step 3: Cross multiply
   542,486x = 1,188,314 × 1,188,314
4. Step 4: Simplify right side
   542,486x = 1,412,090,162,596
5. Step 5: Solve for x
   x = 1,412,090,162,596/542,486
6. Step 6: Final answer
   x = 2,602,998.35