Finding the Third Proportional to 3,449,476 and 7,256,442

Step by Step Solution

1. Step 1: Write the proportion equation
   3,449,476 : 7,256,442 = 7,256,442 : x
2. Step 2: Convert to fraction form
   3,449,476/7,256,442 = 7,256,442/x
3. Step 3: Cross multiply
   3,449,476x = 7,256,442 × 7,256,442
4. Step 4: Simplify right side
   3,449,476x = 52,655,950,499,364
5. Step 5: Solve for x
   x = 52,655,950,499,364/3,449,476
6. Step 6: Final answer
   x = 15,264,912.84