Finding the Third Proportional to 2,128,622 and 3,215,051

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,622 : 3,215,051 = 3,215,051 : x
2. Step 2: Convert to fraction form
   2,128,622/3,215,051 = 3,215,051/x
3. Step 3: Cross multiply
   2,128,622x = 3,215,051 × 3,215,051
4. Step 4: Simplify right side
   2,128,622x = 10,336,552,932,601
5. Step 5: Solve for x
   x = 10,336,552,932,601/2,128,622
6. Step 6: Final answer
   x = 4,855,983.32