Finding the Third Proportional to 2,175,646 and 4,712,882

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,646 : 4,712,882 = 4,712,882 : x
2. Step 2: Convert to fraction form
   2,175,646/4,712,882 = 4,712,882/x
3. Step 3: Cross multiply
   2,175,646x = 4,712,882 × 4,712,882
4. Step 4: Simplify right side
   2,175,646x = 22,211,256,745,924
5. Step 5: Solve for x
   x = 22,211,256,745,924/2,175,646
6. Step 6: Final answer
   x = 10,209,039.86