Finding the Third Proportional to 851,448 and 1,269,792

Step by Step Solution

1. Step 1: Write the proportion equation
   851,448 : 1,269,792 = 1,269,792 : x
2. Step 2: Convert to fraction form
   851,448/1,269,792 = 1,269,792/x
3. Step 3: Cross multiply
   851,448x = 1,269,792 × 1,269,792
4. Step 4: Simplify right side
   851,448x = 1,612,371,723,264
5. Step 5: Solve for x
   x = 1,612,371,723,264/851,448
6. Step 6: Final answer
   x = 1,893,681.97