Finding the Third Proportional to 3,787,782 and 8,137,740

Step by Step Solution

1. Step 1: Write the proportion equation
   3,787,782 : 8,137,740 = 8,137,740 : x
2. Step 2: Convert to fraction form
   3,787,782/8,137,740 = 8,137,740/x
3. Step 3: Cross multiply
   3,787,782x = 8,137,740 × 8,137,740
4. Step 4: Simplify right side
   3,787,782x = 66,222,812,307,600
5. Step 5: Solve for x
   x = 66,222,812,307,600/3,787,782
6. Step 6: Final answer
   x = 17,483,269.18