Finding the Third Proportional to 2,139,669 and 3,132,690

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,669 : 3,132,690 = 3,132,690 : x
2. Step 2: Convert to fraction form
   2,139,669/3,132,690 = 3,132,690/x
3. Step 3: Cross multiply
   2,139,669x = 3,132,690 × 3,132,690
4. Step 4: Simplify right side
   2,139,669x = 9,813,746,636,100
5. Step 5: Solve for x
   x = 9,813,746,636,100/2,139,669
6. Step 6: Final answer
   x = 4,586,572.33