Finding the Third Proportional to 787,778 and 1,222,132

Step by Step Solution

1. Step 1: Write the proportion equation
   787,778 : 1,222,132 = 1,222,132 : x
2. Step 2: Convert to fraction form
   787,778/1,222,132 = 1,222,132/x
3. Step 3: Cross multiply
   787,778x = 1,222,132 × 1,222,132
4. Step 4: Simplify right side
   787,778x = 1,493,606,625,424
5. Step 5: Solve for x
   x = 1,493,606,625,424/787,778
6. Step 6: Final answer
   x = 1,895,974.02