Finding the Third Proportional to 3,490,857 and 7,404,282

Step by Step Solution

1. Step 1: Write the proportion equation
   3,490,857 : 7,404,282 = 7,404,282 : x
2. Step 2: Convert to fraction form
   3,490,857/7,404,282 = 7,404,282/x
3. Step 3: Cross multiply
   3,490,857x = 7,404,282 × 7,404,282
4. Step 4: Simplify right side
   3,490,857x = 54,823,391,935,524
5. Step 5: Solve for x
   x = 54,823,391,935,524/3,490,857
6. Step 6: Final answer
   x = 15,704,851.83