Finding the Third Proportional to 723,664 and 1,104,288

Step by Step Solution

1. Step 1: Write the proportion equation
   723,664 : 1,104,288 = 1,104,288 : x
2. Step 2: Convert to fraction form
   723,664/1,104,288 = 1,104,288/x
3. Step 3: Cross multiply
   723,664x = 1,104,288 × 1,104,288
4. Step 4: Simplify right side
   723,664x = 1,219,451,986,944
5. Step 5: Solve for x
   x = 1,219,451,986,944/723,664
6. Step 6: Final answer
   x = 1,685,107.99