Finding the Third Proportional to 787,228 and 1,253,242

Step by Step Solution

1. Step 1: Write the proportion equation
   787,228 : 1,253,242 = 1,253,242 : x
2. Step 2: Convert to fraction form
   787,228/1,253,242 = 1,253,242/x
3. Step 3: Cross multiply
   787,228x = 1,253,242 × 1,253,242
4. Step 4: Simplify right side
   787,228x = 1,570,615,510,564
5. Step 5: Solve for x
   x = 1,570,615,510,564/787,228
6. Step 6: Final answer
   x = 1,995,121.50