Finding the Third Proportional to 611,718 and 1,317,180

Step by Step Solution

1. Step 1: Write the proportion equation
   611,718 : 1,317,180 = 1,317,180 : x
2. Step 2: Convert to fraction form
   611,718/1,317,180 = 1,317,180/x
3. Step 3: Cross multiply
   611,718x = 1,317,180 × 1,317,180
4. Step 4: Simplify right side
   611,718x = 1,734,963,152,400
5. Step 5: Solve for x
   x = 1,734,963,152,400/611,718
6. Step 6: Final answer
   x = 2,836,213.99