Finding the Third Proportional to 1,317,024 and 1,969,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,317,024 : 1,969,920 = 1,969,920 : x
2. Step 2: Convert to fraction form
   1,317,024/1,969,920 = 1,969,920/x
3. Step 3: Cross multiply
   1,317,024x = 1,969,920 × 1,969,920
4. Step 4: Simplify right side
   1,317,024x = 3,880,584,806,400
5. Step 5: Solve for x
   x = 3,880,584,806,400/1,317,024
6. Step 6: Final answer
   x = 2,946,479.95