Finding the Third Proportional to 622,172 and 1,332,468

Step by Step Solution

1. Step 1: Write the proportion equation
   622,172 : 1,332,468 = 1,332,468 : x
2. Step 2: Convert to fraction form
   622,172/1,332,468 = 1,332,468/x
3. Step 3: Cross multiply
   622,172x = 1,332,468 × 1,332,468
4. Step 4: Simplify right side
   622,172x = 1,775,470,971,024
5. Step 5: Solve for x
   x = 1,775,470,971,024/622,172
6. Step 6: Final answer
   x = 2,853,665.82