Finding the Third Proportional to 656,478 and 1,413,384

Step by Step Solution

1. Step 1: Write the proportion equation
   656,478 : 1,413,384 = 1,413,384 : x
2. Step 2: Convert to fraction form
   656,478/1,413,384 = 1,413,384/x
3. Step 3: Cross multiply
   656,478x = 1,413,384 × 1,413,384
4. Step 4: Simplify right side
   656,478x = 1,997,654,331,456
5. Step 5: Solve for x
   x = 1,997,654,331,456/656,478
6. Step 6: Final answer
   x = 3,042,987.47