Finding the Third Proportional to 813,686 and 1,772,024

Step by Step Solution

1. Step 1: Write the proportion equation
   813,686 : 1,772,024 = 1,772,024 : x
2. Step 2: Convert to fraction form
   813,686/1,772,024 = 1,772,024/x
3. Step 3: Cross multiply
   813,686x = 1,772,024 × 1,772,024
4. Step 4: Simplify right side
   813,686x = 3,140,069,056,576
5. Step 5: Solve for x
   x = 3,140,069,056,576/813,686
6. Step 6: Final answer
   x = 3,859,067.33