Finding the Third Proportional to 3,743,406 and 7,663,878

Step by Step Solution

1. Step 1: Write the proportion equation
   3,743,406 : 7,663,878 = 7,663,878 : x
2. Step 2: Convert to fraction form
   3,743,406/7,663,878 = 7,663,878/x
3. Step 3: Cross multiply
   3,743,406x = 7,663,878 × 7,663,878
4. Step 4: Simplify right side
   3,743,406x = 58,735,025,998,884
5. Step 5: Solve for x
   x = 58,735,025,998,884/3,743,406
6. Step 6: Final answer
   x = 15,690,263.36