Finding the Third Proportional to 3,564,860 and 7,423,480

Step by Step Solution

1. Step 1: Write the proportion equation
   3,564,860 : 7,423,480 = 7,423,480 : x
2. Step 2: Convert to fraction form
   3,564,860/7,423,480 = 7,423,480/x
3. Step 3: Cross multiply
   3,564,860x = 7,423,480 × 7,423,480
4. Step 4: Simplify right side
   3,564,860x = 55,108,055,310,400
5. Step 5: Solve for x
   x = 55,108,055,310,400/3,564,860
6. Step 6: Final answer
   x = 15,458,687.10