Finding the Third Proportional to 2,170,600 and 4,726,921

Step by Step Solution

1. Step 1: Write the proportion equation
   2,170,600 : 4,726,921 = 4,726,921 : x
2. Step 2: Convert to fraction form
   2,170,600/4,726,921 = 4,726,921/x
3. Step 3: Cross multiply
   2,170,600x = 4,726,921 × 4,726,921
4. Step 4: Simplify right side
   2,170,600x = 22,343,782,140,241
5. Step 5: Solve for x
   x = 22,343,782,140,241/2,170,600
6. Step 6: Final answer
   x = 10,293,827.58