Finding the Third Proportional to 622,353 and 1,267,554

Step by Step Solution

1. Step 1: Write the proportion equation
   622,353 : 1,267,554 = 1,267,554 : x
2. Step 2: Convert to fraction form
   622,353/1,267,554 = 1,267,554/x
3. Step 3: Cross multiply
   622,353x = 1,267,554 × 1,267,554
4. Step 4: Simplify right side
   622,353x = 1,606,693,142,916
5. Step 5: Solve for x
   x = 1,606,693,142,916/622,353
6. Step 6: Final answer
   x = 2,581,642.80