Finding the Third Proportional to 3,354,746 and 7,240,648

Step by Step Solution

1. Step 1: Write the proportion equation
   3,354,746 : 7,240,648 = 7,240,648 : x
2. Step 2: Convert to fraction form
   3,354,746/7,240,648 = 7,240,648/x
3. Step 3: Cross multiply
   3,354,746x = 7,240,648 × 7,240,648
4. Step 4: Simplify right side
   3,354,746x = 52,426,983,459,904
5. Step 5: Solve for x
   x = 52,426,983,459,904/3,354,746
6. Step 6: Final answer
   x = 15,627,705.78