Finding the Third Proportional to 2,142,487 and 2,843,398

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,487 : 2,843,398 = 2,843,398 : x
2. Step 2: Convert to fraction form
   2,142,487/2,843,398 = 2,843,398/x
3. Step 3: Cross multiply
   2,142,487x = 2,843,398 × 2,843,398
4. Step 4: Simplify right side
   2,142,487x = 8,084,912,186,404
5. Step 5: Solve for x
   x = 8,084,912,186,404/2,142,487
6. Step 6: Final answer
   x = 3,773,610.85