Finding the Third Proportional to 2,181,444 and 4,686,726

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181,444 : 4,686,726 = 4,686,726 : x
2. Step 2: Convert to fraction form
   2,181,444/4,686,726 = 4,686,726/x
3. Step 3: Cross multiply
   2,181,444x = 4,686,726 × 4,686,726
4. Step 4: Simplify right side
   2,181,444x = 21,965,400,599,076
5. Step 5: Solve for x
   x = 21,965,400,599,076/2,181,444
6. Step 6: Final answer
   x = 10,069,202.14