Finding the Third Proportional to 2,129,291 and 4,617,948

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129,291 : 4,617,948 = 4,617,948 : x
2. Step 2: Convert to fraction form
   2,129,291/4,617,948 = 4,617,948/x
3. Step 3: Cross multiply
   2,129,291x = 4,617,948 × 4,617,948
4. Step 4: Simplify right side
   2,129,291x = 21,325,443,730,704
5. Step 5: Solve for x
   x = 21,325,443,730,704/2,129,291
6. Step 6: Final answer
   x = 10,015,279.14