Finding the Third Proportional to 713,885 and 1,105,388

Step by Step Solution

1. Step 1: Write the proportion equation
   713,885 : 1,105,388 = 1,105,388 : x
2. Step 2: Convert to fraction form
   713,885/1,105,388 = 1,105,388/x
3. Step 3: Cross multiply
   713,885x = 1,105,388 × 1,105,388
4. Step 4: Simplify right side
   713,885x = 1,221,882,630,544
5. Step 5: Solve for x
   x = 1,221,882,630,544/713,885
6. Step 6: Final answer
   x = 1,711,595.89