Finding the Third Proportional to 813,683 and 1,772,020

Step by Step Solution

1. Step 1: Write the proportion equation
   813,683 : 1,772,020 = 1,772,020 : x
2. Step 2: Convert to fraction form
   813,683/1,772,020 = 1,772,020/x
3. Step 3: Cross multiply
   813,683x = 1,772,020 × 1,772,020
4. Step 4: Simplify right side
   813,683x = 3,140,054,880,400
5. Step 5: Solve for x
   x = 3,140,054,880,400/813,683
6. Step 6: Final answer
   x = 3,859,064.13