Finding the Third Proportional to 3,609,967 and 5,415,662

Step by Step Solution

1. Step 1: Write the proportion equation
   3,609,967 : 5,415,662 = 5,415,662 : x
2. Step 2: Convert to fraction form
   3,609,967/5,415,662 = 5,415,662/x
3. Step 3: Cross multiply
   3,609,967x = 5,415,662 × 5,415,662
4. Step 4: Simplify right side
   3,609,967x = 29,329,394,898,244
5. Step 5: Solve for x
   x = 29,329,394,898,244/3,609,967
6. Step 6: Final answer
   x = 8,124,560.39