Finding the Third Proportional to 876,638 and 1,187,949

Step by Step Solution

1. Step 1: Write the proportion equation
   876,638 : 1,187,949 = 1,187,949 : x
2. Step 2: Convert to fraction form
   876,638/1,187,949 = 1,187,949/x
3. Step 3: Cross multiply
   876,638x = 1,187,949 × 1,187,949
4. Step 4: Simplify right side
   876,638x = 1,411,222,826,601
5. Step 5: Solve for x
   x = 1,411,222,826,601/876,638
6. Step 6: Final answer
   x = 1,609,812.52