Finding the Third Proportional to 3,564,820 and 7,423,398

Step by Step Solution

1. Step 1: Write the proportion equation
   3,564,820 : 7,423,398 = 7,423,398 : x
2. Step 2: Convert to fraction form
   3,564,820/7,423,398 = 7,423,398/x
3. Step 3: Cross multiply
   3,564,820x = 7,423,398 × 7,423,398
4. Step 4: Simplify right side
   3,564,820x = 55,106,837,866,404
5. Step 5: Solve for x
   x = 55,106,837,866,404/3,564,820
6. Step 6: Final answer
   x = 15,458,519.05