Finding the Third Proportional to 319,375.50 and 695,451

Step by Step Solution

1. Step 1: Write the proportion equation
   319,375.50 : 695,451 = 695,451 : x
2. Step 2: Convert to fraction form
   319,375.50/695,451 = 695,451/x
3. Step 3: Cross multiply
   319,375.50x = 695,451 × 695,451
4. Step 4: Simplify right side
   319,375.50x = 483,652,093,401
5. Step 5: Solve for x
   x = 483,652,093,401/319,375.50
6. Step 6: Final answer
   x = 1,514,368.18