Finding the Third Proportional to 618,324 and 1,342,398

Step by Step Solution

1. Step 1: Write the proportion equation
   618,324 : 1,342,398 = 1,342,398 : x
2. Step 2: Convert to fraction form
   618,324/1,342,398 = 1,342,398/x
3. Step 3: Cross multiply
   618,324x = 1,342,398 × 1,342,398
4. Step 4: Simplify right side
   618,324x = 1,802,032,390,404
5. Step 5: Solve for x
   x = 1,802,032,390,404/618,324
6. Step 6: Final answer
   x = 2,914,382.09