Finding the Third Proportional to 1,456,320 and 2,184,480

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456,320 : 2,184,480 = 2,184,480 : x
2. Step 2: Convert to fraction form
   1,456,320/2,184,480 = 2,184,480/x
3. Step 3: Cross multiply
   1,456,320x = 2,184,480 × 2,184,480
4. Step 4: Simplify right side
   1,456,320x = 4,771,952,870,400
5. Step 5: Solve for x
   x = 4,771,952,870,400/1,456,320
6. Step 6: Final answer
   x = 3,276,720