Finding the Third Proportional to 2,115,440 and 3,222,752

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115,440 : 3,222,752 = 3,222,752 : x
2. Step 2: Convert to fraction form
   2,115,440/3,222,752 = 3,222,752/x
3. Step 3: Cross multiply
   2,115,440x = 3,222,752 × 3,222,752
4. Step 4: Simplify right side
   2,115,440x = 10,386,130,453,504
5. Step 5: Solve for x
   x = 10,386,130,453,504/2,115,440
6. Step 6: Final answer
   x = 4,909,678.58