Finding the Third Proportional to 3,564,828 and 7,423,416

Step by Step Solution

1. Step 1: Write the proportion equation
   3,564,828 : 7,423,416 = 7,423,416 : x
2. Step 2: Convert to fraction form
   3,564,828/7,423,416 = 7,423,416/x
3. Step 3: Cross multiply
   3,564,828x = 7,423,416 × 7,423,416
4. Step 4: Simplify right side
   3,564,828x = 55,107,105,109,056
5. Step 5: Solve for x
   x = 55,107,105,109,056/3,564,828
6. Step 6: Final answer
   x = 15,458,559.32