Finding the Third Proportional to 622,356 and 1,267,540

Step by Step Solution

1. Step 1: Write the proportion equation
   622,356 : 1,267,540 = 1,267,540 : x
2. Step 2: Convert to fraction form
   622,356/1,267,540 = 1,267,540/x
3. Step 3: Cross multiply
   622,356x = 1,267,540 × 1,267,540
4. Step 4: Simplify right side
   622,356x = 1,606,657,651,600
5. Step 5: Solve for x
   x = 1,606,657,651,600/622,356
6. Step 6: Final answer
   x = 2,581,573.33