Finding the Third Proportional to 602,420 and 1,254,736

Step by Step Solution

1. Step 1: Write the proportion equation
   602,420 : 1,254,736 = 1,254,736 : x
2. Step 2: Convert to fraction form
   602,420/1,254,736 = 1,254,736/x
3. Step 3: Cross multiply
   602,420x = 1,254,736 × 1,254,736
4. Step 4: Simplify right side
   602,420x = 1,574,362,429,696
5. Step 5: Solve for x
   x = 1,574,362,429,696/602,420
6. Step 6: Final answer
   x = 2,613,396.68