Finding the Third Proportional to 285,175.69 and 606,664.69

Step by Step Solution

1. Step 1: Write the proportion equation
   285,175.69 : 606,664.69 = 606,664.69 : x
2. Step 2: Convert to fraction form
   285,175.69/606,664.69 = 606,664.69/x
3. Step 3: Cross multiply
   285,175.69x = 606,664.69 × 606,664.69
4. Step 4: Simplify right side
   285,175.69x = 368,042,043,059.47
5. Step 5: Solve for x
   x = 368,042,043,059.47/285,175.69
6. Step 6: Final answer
   x = 1,290,580.02