Finding the Third Proportional to 3,663,138 and 5,384,958

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663,138 : 5,384,958 = 5,384,958 : x
2. Step 2: Convert to fraction form
   3,663,138/5,384,958 = 5,384,958/x
3. Step 3: Cross multiply
   3,663,138x = 5,384,958 × 5,384,958
4. Step 4: Simplify right side
   3,663,138x = 28,997,772,661,764
5. Step 5: Solve for x
   x = 28,997,772,661,764/3,663,138
6. Step 6: Final answer
   x = 7,916,101.62