Finding the Third Proportional to 809,697 and 1,210,083

Step by Step Solution

1. Step 1: Write the proportion equation
   809,697 : 1,210,083 = 1,210,083 : x
2. Step 2: Convert to fraction form
   809,697/1,210,083 = 1,210,083/x
3. Step 3: Cross multiply
   809,697x = 1,210,083 × 1,210,083
4. Step 4: Simplify right side
   809,697x = 1,464,300,866,889
5. Step 5: Solve for x
   x = 1,464,300,866,889/809,697
6. Step 6: Final answer
   x = 1,808,455.34