Finding the Third Proportional to 2,175,436 and 4,665,800

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,436 : 4,665,800 = 4,665,800 : x
2. Step 2: Convert to fraction form
   2,175,436/4,665,800 = 4,665,800/x
3. Step 3: Cross multiply
   2,175,436x = 4,665,800 × 4,665,800
4. Step 4: Simplify right side
   2,175,436x = 21,769,689,640,000
5. Step 5: Solve for x
   x = 21,769,689,640,000/2,175,436
6. Step 6: Final answer
   x = 10,007,046.70