Finding the Third Proportional to 855,306 and 1,851,774

Step by Step Solution

1. Step 1: Write the proportion equation
   855,306 : 1,851,774 = 1,851,774 : x
2. Step 2: Convert to fraction form
   855,306/1,851,774 = 1,851,774/x
3. Step 3: Cross multiply
   855,306x = 1,851,774 × 1,851,774
4. Step 4: Simplify right side
   855,306x = 3,429,066,947,076
5. Step 5: Solve for x
   x = 3,429,066,947,076/855,306
6. Step 6: Final answer
   x = 4,009,169.76