Finding the Third Proportional to 622,480 and 1,365,992

Step by Step Solution

1. Step 1: Write the proportion equation
   622,480 : 1,365,992 = 1,365,992 : x
2. Step 2: Convert to fraction form
   622,480/1,365,992 = 1,365,992/x
3. Step 3: Cross multiply
   622,480x = 1,365,992 × 1,365,992
4. Step 4: Simplify right side
   622,480x = 1,865,934,144,064
5. Step 5: Solve for x
   x = 1,865,934,144,064/622,480
6. Step 6: Final answer
   x = 2,997,580.88