Finding the Third Proportional to 144,424 and 337,446

Step by Step Solution

1. Step 1: Write the proportion equation
   144,424 : 337,446 = 337,446 : x
2. Step 2: Convert to fraction form
   144,424/337,446 = 337,446/x
3. Step 3: Cross multiply
   144,424x = 337,446 × 337,446
4. Step 4: Simplify right side
   144,424x = 113,869,802,916
5. Step 5: Solve for x
   x = 113,869,802,916/144,424
6. Step 6: Final answer
   x = 788,441.00