Finding the Third Proportional to 876,132 and 1,279,749

Step by Step Solution

1. Step 1: Write the proportion equation
   876,132 : 1,279,749 = 1,279,749 : x
2. Step 2: Convert to fraction form
   876,132/1,279,749 = 1,279,749/x
3. Step 3: Cross multiply
   876,132x = 1,279,749 × 1,279,749
4. Step 4: Simplify right side
   876,132x = 1,637,757,503,001
5. Step 5: Solve for x
   x = 1,637,757,503,001/876,132
6. Step 6: Final answer
   x = 1,869,304.51