Finding the Third Proportional to 816,156 and 1,776,868

Step by Step Solution

1. Step 1: Write the proportion equation
   816,156 : 1,776,868 = 1,776,868 : x
2. Step 2: Convert to fraction form
   816,156/1,776,868 = 1,776,868/x
3. Step 3: Cross multiply
   816,156x = 1,776,868 × 1,776,868
4. Step 4: Simplify right side
   816,156x = 3,157,259,889,424
5. Step 5: Solve for x
   x = 3,157,259,889,424/816,156
6. Step 6: Final answer
   x = 3,868,451.48