Finding the Third Proportional to 3,364,888 and 5,078,177

Step by Step Solution

1. Step 1: Write the proportion equation
   3,364,888 : 5,078,177 = 5,078,177 : x
2. Step 2: Convert to fraction form
   3,364,888/5,078,177 = 5,078,177/x
3. Step 3: Cross multiply
   3,364,888x = 5,078,177 × 5,078,177
4. Step 4: Simplify right side
   3,364,888x = 25,787,881,643,329
5. Step 5: Solve for x
   x = 25,787,881,643,329/3,364,888
6. Step 6: Final answer
   x = 7,663,815.75