Finding the Third Proportional to 807,112 and 1,131,144

Step by Step Solution

1. Step 1: Write the proportion equation
   807,112 : 1,131,144 = 1,131,144 : x
2. Step 2: Convert to fraction form
   807,112/1,131,144 = 1,131,144/x
3. Step 3: Cross multiply
   807,112x = 1,131,144 × 1,131,144
4. Step 4: Simplify right side
   807,112x = 1,279,486,748,736
5. Step 5: Solve for x
   x = 1,279,486,748,736/807,112
6. Step 6: Final answer
   x = 1,585,265.43