Finding the Third Proportional to 622,320 and 1,365,120

Step by Step Solution

1. Step 1: Write the proportion equation
   622,320 : 1,365,120 = 1,365,120 : x
2. Step 2: Convert to fraction form
   622,320/1,365,120 = 1,365,120/x
3. Step 3: Cross multiply
   622,320x = 1,365,120 × 1,365,120
4. Step 4: Simplify right side
   622,320x = 1,863,552,614,400
5. Step 5: Solve for x
   x = 1,863,552,614,400/622,320
6. Step 6: Final answer
   x = 2,994,524.70