Finding the Third Proportional to 807,746 and 1,267,221

Step by Step Solution

1. Step 1: Write the proportion equation
   807,746 : 1,267,221 = 1,267,221 : x
2. Step 2: Convert to fraction form
   807,746/1,267,221 = 1,267,221/x
3. Step 3: Cross multiply
   807,746x = 1,267,221 × 1,267,221
4. Step 4: Simplify right side
   807,746x = 1,605,849,062,841
5. Step 5: Solve for x
   x = 1,605,849,062,841/807,746
6. Step 6: Final answer
   x = 1,988,061.92