Finding the Third Proportional to 2,086,681 and 4,397,503

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086,681 : 4,397,503 = 4,397,503 : x
2. Step 2: Convert to fraction form
   2,086,681/4,397,503 = 4,397,503/x
3. Step 3: Cross multiply
   2,086,681x = 4,397,503 × 4,397,503
4. Step 4: Simplify right side
   2,086,681x = 19,338,032,635,009
5. Step 5: Solve for x
   x = 19,338,032,635,009/2,086,681
6. Step 6: Final answer
   x = 9,267,364.12