Finding the Third Proportional to 610,728 and 1,302,606

Step by Step Solution

1. Step 1: Write the proportion equation
   610,728 : 1,302,606 = 1,302,606 : x
2. Step 2: Convert to fraction form
   610,728/1,302,606 = 1,302,606/x
3. Step 3: Cross multiply
   610,728x = 1,302,606 × 1,302,606
4. Step 4: Simplify right side
   610,728x = 1,696,782,391,236
5. Step 5: Solve for x
   x = 1,696,782,391,236/610,728
6. Step 6: Final answer
   x = 2,778,294.74