Finding the Third Proportional to 3,743,413 and 7,663,891

Step by Step Solution

1. Step 1: Write the proportion equation
   3,743,413 : 7,663,891 = 7,663,891 : x
2. Step 2: Convert to fraction form
   3,743,413/7,663,891 = 7,663,891/x
3. Step 3: Cross multiply
   3,743,413x = 7,663,891 × 7,663,891
4. Step 4: Simplify right side
   3,743,413x = 58,735,225,259,881
5. Step 5: Solve for x
   x = 58,735,225,259,881/3,743,413
6. Step 6: Final answer
   x = 15,690,287.25