Finding the Third Proportional to 3,564,843 and 7,423,446

Step by Step Solution

1. Step 1: Write the proportion equation
   3,564,843 : 7,423,446 = 7,423,446 : x
2. Step 2: Convert to fraction form
   3,564,843/7,423,446 = 7,423,446/x
3. Step 3: Cross multiply
   3,564,843x = 7,423,446 × 7,423,446
4. Step 4: Simplify right side
   3,564,843x = 55,107,550,514,916
5. Step 5: Solve for x
   x = 55,107,550,514,916/3,564,843
6. Step 6: Final answer
   x = 15,458,619.22