Finding the Third Proportional to 807,686 and 1,762,061

Step by Step Solution

1. Step 1: Write the proportion equation
   807,686 : 1,762,061 = 1,762,061 : x
2. Step 2: Convert to fraction form
   807,686/1,762,061 = 1,762,061/x
3. Step 3: Cross multiply
   807,686x = 1,762,061 × 1,762,061
4. Step 4: Simplify right side
   807,686x = 3,104,858,967,721
5. Step 5: Solve for x
   x = 3,104,858,967,721/807,686
6. Step 6: Final answer
   x = 3,844,141.12