Finding the Third Proportional to 2,220,435 and 4,615,406

Step by Step Solution

1. Step 1: Write the proportion equation
   2,220,435 : 4,615,406 = 4,615,406 : x
2. Step 2: Convert to fraction form
   2,220,435/4,615,406 = 4,615,406/x
3. Step 3: Cross multiply
   2,220,435x = 4,615,406 × 4,615,406
4. Step 4: Simplify right side
   2,220,435x = 21,301,972,544,836
5. Step 5: Solve for x
   x = 21,301,972,544,836/2,220,435
6. Step 6: Final answer
   x = 9,593,603.30