Finding the Third Proportional to 622,474 and 1,365,980

Step by Step Solution

1. Step 1: Write the proportion equation
   622,474 : 1,365,980 = 1,365,980 : x
2. Step 2: Convert to fraction form
   622,474/1,365,980 = 1,365,980/x
3. Step 3: Cross multiply
   622,474x = 1,365,980 × 1,365,980
4. Step 4: Simplify right side
   622,474x = 1,865,901,360,400
5. Step 5: Solve for x
   x = 1,865,901,360,400/622,474
6. Step 6: Final answer
   x = 2,997,557.10