Finding the Third Proportional to 622,392 and 1,267,608

Step by Step Solution

1. Step 1: Write the proportion equation
   622,392 : 1,267,608 = 1,267,608 : x
2. Step 2: Convert to fraction form
   622,392/1,267,608 = 1,267,608/x
3. Step 3: Cross multiply
   622,392x = 1,267,608 × 1,267,608
4. Step 4: Simplify right side
   622,392x = 1,606,830,041,664
5. Step 5: Solve for x
   x = 1,606,830,041,664/622,392
6. Step 6: Final answer
   x = 2,581,700.99