Finding the Third Proportional to 2,153,680 and 3,378,960

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,680 : 3,378,960 = 3,378,960 : x
2. Step 2: Convert to fraction form
   2,153,680/3,378,960 = 3,378,960/x
3. Step 3: Cross multiply
   2,153,680x = 3,378,960 × 3,378,960
4. Step 4: Simplify right side
   2,153,680x = 11,417,370,681,600
5. Step 5: Solve for x
   x = 11,417,370,681,600/2,153,680
6. Step 6: Final answer
   x = 5,301,331.06