Finding the Third Proportional to 665,838 and 1,043,388

Step by Step Solution

1. Step 1: Write the proportion equation
   665,838 : 1,043,388 = 1,043,388 : x
2. Step 2: Convert to fraction form
   665,838/1,043,388 = 1,043,388/x
3. Step 3: Cross multiply
   665,838x = 1,043,388 × 1,043,388
4. Step 4: Simplify right side
   665,838x = 1,088,658,518,544
5. Step 5: Solve for x
   x = 1,088,658,518,544/665,838
6. Step 6: Final answer
   x = 1,635,020.11