Finding the Third Proportional to 1,665 and 1,854

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665 : 1,854 = 1,854 : x
2. Step 2: Convert to fraction form
   1,665/1,854 = 1,854/x
3. Step 3: Cross multiply
   1,665x = 1,854 × 1,854
4. Step 4: Simplify right side
   1,665x = 3,437,316
5. Step 5: Solve for x
   x = 3,437,316/1,665
6. Step 6: Final answer
   x = 2,064.45