Finding the Third Proportional to 3,310,888 and 5,128,648

Step by Step Solution

1. Step 1: Write the proportion equation
   3,310,888 : 5,128,648 = 5,128,648 : x
2. Step 2: Convert to fraction form
   3,310,888/5,128,648 = 5,128,648/x
3. Step 3: Cross multiply
   3,310,888x = 5,128,648 × 5,128,648
4. Step 4: Simplify right side
   3,310,888x = 26,303,030,307,904
5. Step 5: Solve for x
   x = 26,303,030,307,904/3,310,888
6. Step 6: Final answer
   x = 7,944,403.53