Finding the Third Proportional to 400,984 and 544,736

Step by Step Solution

1. Step 1: Write the proportion equation
   400,984 : 544,736 = 544,736 : x
2. Step 2: Convert to fraction form
   400,984/544,736 = 544,736/x
3. Step 3: Cross multiply
   400,984x = 544,736 × 544,736
4. Step 4: Simplify right side
   400,984x = 296,737,309,696
5. Step 5: Solve for x
   x = 296,737,309,696/400,984
6. Step 6: Final answer
   x = 740,022.82