Finding the Third Proportional to 689,736 and 1,008,342

Step by Step Solution

1. Step 1: Write the proportion equation
   689,736 : 1,008,342 = 1,008,342 : x
2. Step 2: Convert to fraction form
   689,736/1,008,342 = 1,008,342/x
3. Step 3: Cross multiply
   689,736x = 1,008,342 × 1,008,342
4. Step 4: Simplify right side
   689,736x = 1,016,753,588,964
5. Step 5: Solve for x
   x = 1,016,753,588,964/689,736
6. Step 6: Final answer
   x = 1,474,119.94