Finding the Third Proportional to 1,557,168 and 3,378,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,557,168 : 3,378,720 = 3,378,720 : x
2. Step 2: Convert to fraction form
   1,557,168/3,378,720 = 3,378,720/x
3. Step 3: Cross multiply
   1,557,168x = 3,378,720 × 3,378,720
4. Step 4: Simplify right side
   1,557,168x = 11,415,748,838,400
5. Step 5: Solve for x
   x = 11,415,748,838,400/1,557,168
6. Step 6: Final answer
   x = 7,331,096.48