Finding the Third Proportional to 2,137,870 and 4,452,644

Step by Step Solution

1. Step 1: Write the proportion equation
   2,137,870 : 4,452,644 = 4,452,644 : x
2. Step 2: Convert to fraction form
   2,137,870/4,452,644 = 4,452,644/x
3. Step 3: Cross multiply
   2,137,870x = 4,452,644 × 4,452,644
4. Step 4: Simplify right side
   2,137,870x = 19,826,038,590,736
5. Step 5: Solve for x
   x = 19,826,038,590,736/2,137,870
6. Step 6: Final answer
   x = 9,273,734.41