Finding the Third Proportional to 2,210,943 and 4,687,617

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210,943 : 4,687,617 = 4,687,617 : x
2. Step 2: Convert to fraction form
   2,210,943/4,687,617 = 4,687,617/x
3. Step 3: Cross multiply
   2,210,943x = 4,687,617 × 4,687,617
4. Step 4: Simplify right side
   2,210,943x = 21,973,753,138,689
5. Step 5: Solve for x
   x = 21,973,753,138,689/2,210,943
6. Step 6: Final answer
   x = 9,938,633.94