Finding the Third Proportional to 3,564,819 and 7,423,396

Step by Step Solution

1. Step 1: Write the proportion equation
   3,564,819 : 7,423,396 = 7,423,396 : x
2. Step 2: Convert to fraction form
   3,564,819/7,423,396 = 7,423,396/x
3. Step 3: Cross multiply
   3,564,819x = 7,423,396 × 7,423,396
4. Step 4: Simplify right side
   3,564,819x = 55,106,808,172,816
5. Step 5: Solve for x
   x = 55,106,808,172,816/3,564,819
6. Step 6: Final answer
   x = 15,458,515.05