Finding the Third Proportional to 403,509 and 885,384

Step by Step Solution

1. Step 1: Write the proportion equation
   403,509 : 885,384 = 885,384 : x
2. Step 2: Convert to fraction form
   403,509/885,384 = 885,384/x
3. Step 3: Cross multiply
   403,509x = 885,384 × 885,384
4. Step 4: Simplify right side
   403,509x = 783,904,827,456
5. Step 5: Solve for x
   x = 783,904,827,456/403,509
6. Step 6: Final answer
   x = 1,942,719.56