Finding the Third Proportional to 319,371.50 and 695,443

Step by Step Solution

1. Step 1: Write the proportion equation
   319,371.50 : 695,443 = 695,443 : x
2. Step 2: Convert to fraction form
   319,371.50/695,443 = 695,443/x
3. Step 3: Cross multiply
   319,371.50x = 695,443 × 695,443
4. Step 4: Simplify right side
   319,371.50x = 483,640,966,249
5. Step 5: Solve for x
   x = 483,640,966,249/319,371.50
6. Step 6: Final answer
   x = 1,514,352.30