Finding the Third Proportional to 3,288,444 and 7,172,967

Step by Step Solution

1. Step 1: Write the proportion equation
   3,288,444 : 7,172,967 = 7,172,967 : x
2. Step 2: Convert to fraction form
   3,288,444/7,172,967 = 7,172,967/x
3. Step 3: Cross multiply
   3,288,444x = 7,172,967 × 7,172,967
4. Step 4: Simplify right side
   3,288,444x = 51,451,455,583,089
5. Step 5: Solve for x
   x = 51,451,455,583,089/3,288,444
6. Step 6: Final answer
   x = 15,646,140.11