Finding the Third Proportional to 3,564,816 and 7,423,390

Step by Step Solution

1. Step 1: Write the proportion equation
   3,564,816 : 7,423,390 = 7,423,390 : x
2. Step 2: Convert to fraction form
   3,564,816/7,423,390 = 7,423,390/x
3. Step 3: Cross multiply
   3,564,816x = 7,423,390 × 7,423,390
4. Step 4: Simplify right side
   3,564,816x = 55,106,719,092,100
5. Step 5: Solve for x
   x = 55,106,719,092,100/3,564,816
6. Step 6: Final answer
   x = 15,458,503.07