Finding the Third Proportional to 834,972 and 1,819,920

Step by Step Solution

1. Step 1: Write the proportion equation
   834,972 : 1,819,920 = 1,819,920 : x
2. Step 2: Convert to fraction form
   834,972/1,819,920 = 1,819,920/x
3. Step 3: Cross multiply
   834,972x = 1,819,920 × 1,819,920
4. Step 4: Simplify right side
   834,972x = 3,312,108,806,400
5. Step 5: Solve for x
   x = 3,312,108,806,400/834,972
6. Step 6: Final answer
   x = 3,966,730.39