Finding the Third Proportional to 876,856 and 1,188,268

Step by Step Solution

1. Step 1: Write the proportion equation
   876,856 : 1,188,268 = 1,188,268 : x
2. Step 2: Convert to fraction form
   876,856/1,188,268 = 1,188,268/x
3. Step 3: Cross multiply
   876,856x = 1,188,268 × 1,188,268
4. Step 4: Simplify right side
   876,856x = 1,411,980,839,824
5. Step 5: Solve for x
   x = 1,411,980,839,824/876,856
6. Step 6: Final answer
   x = 1,610,276.76