Finding the Third Proportional to 3,079,404 and 7,418,574

Step by Step Solution

1. Step 1: Write the proportion equation
   3,079,404 : 7,418,574 = 7,418,574 : x
2. Step 2: Convert to fraction form
   3,079,404/7,418,574 = 7,418,574/x
3. Step 3: Cross multiply
   3,079,404x = 7,418,574 × 7,418,574
4. Step 4: Simplify right side
   3,079,404x = 55,035,240,193,476
5. Step 5: Solve for x
   x = 55,035,240,193,476/3,079,404
6. Step 6: Final answer
   x = 17,872,042.83