Finding the Third Proportional to 866,868 and 1,150,242

Step by Step Solution

1. Step 1: Write the proportion equation
   866,868 : 1,150,242 = 1,150,242 : x
2. Step 2: Convert to fraction form
   866,868/1,150,242 = 1,150,242/x
3. Step 3: Cross multiply
   866,868x = 1,150,242 × 1,150,242
4. Step 4: Simplify right side
   866,868x = 1,323,056,658,564
5. Step 5: Solve for x
   x = 1,323,056,658,564/866,868
6. Step 6: Final answer
   x = 1,526,249.28