Finding the Third Proportional to 279,027 and 404,932.50

Step by Step Solution

1. Step 1: Write the proportion equation
   279,027 : 404,932.50 = 404,932.50 : x
2. Step 2: Convert to fraction form
   279,027/404,932.50 = 404,932.50/x
3. Step 3: Cross multiply
   279,027x = 404,932.50 × 404,932.50
4. Step 4: Simplify right side
   279,027x = 163,970,329,556.25
5. Step 5: Solve for x
   x = 163,970,329,556.25/279,027
6. Step 6: Final answer
   x = 587,650.41