Finding the Third Proportional to 666,692 and 1,059,087

Step by Step Solution

1. Step 1: Write the proportion equation
   666,692 : 1,059,087 = 1,059,087 : x
2. Step 2: Convert to fraction form
   666,692/1,059,087 = 1,059,087/x
3. Step 3: Cross multiply
   666,692x = 1,059,087 × 1,059,087
4. Step 4: Simplify right side
   666,692x = 1,121,665,273,569
5. Step 5: Solve for x
   x = 1,121,665,273,569/666,692
6. Step 6: Final answer
   x = 1,682,433.98