Finding the Third Proportional to 3,423,900 and 7,229,784

Step by Step Solution

1. Step 1: Write the proportion equation
   3,423,900 : 7,229,784 = 7,229,784 : x
2. Step 2: Convert to fraction form
   3,423,900/7,229,784 = 7,229,784/x
3. Step 3: Cross multiply
   3,423,900x = 7,229,784 × 7,229,784
4. Step 4: Simplify right side
   3,423,900x = 52,269,776,686,656
5. Step 5: Solve for x
   x = 52,269,776,686,656/3,423,900
6. Step 6: Final answer
   x = 15,266,151.67