Finding the Third Proportional to 787,868 and 1,728,916

Step by Step Solution

1. Step 1: Write the proportion equation
   787,868 : 1,728,916 = 1,728,916 : x
2. Step 2: Convert to fraction form
   787,868/1,728,916 = 1,728,916/x
3. Step 3: Cross multiply
   787,868x = 1,728,916 × 1,728,916
4. Step 4: Simplify right side
   787,868x = 2,989,150,535,056
5. Step 5: Solve for x
   x = 2,989,150,535,056/787,868
6. Step 6: Final answer
   x = 3,793,973.78