Finding the Third Proportional to 699,984 and 1,085,904

Step by Step Solution

1. Step 1: Write the proportion equation
   699,984 : 1,085,904 = 1,085,904 : x
2. Step 2: Convert to fraction form
   699,984/1,085,904 = 1,085,904/x
3. Step 3: Cross multiply
   699,984x = 1,085,904 × 1,085,904
4. Step 4: Simplify right side
   699,984x = 1,179,187,497,216
5. Step 5: Solve for x
   x = 1,179,187,497,216/699,984
6. Step 6: Final answer
   x = 1,684,592.07