Finding the Third Proportional to 618,300 and 1,303,020

Step by Step Solution

1. Step 1: Write the proportion equation
   618,300 : 1,303,020 = 1,303,020 : x
2. Step 2: Convert to fraction form
   618,300/1,303,020 = 1,303,020/x
3. Step 3: Cross multiply
   618,300x = 1,303,020 × 1,303,020
4. Step 4: Simplify right side
   618,300x = 1,697,861,120,400
5. Step 5: Solve for x
   x = 1,697,861,120,400/618,300
6. Step 6: Final answer
   x = 2,746,015.07