Finding the Third Proportional to 279,481.50 and 606,231

Step by Step Solution

1. Step 1: Write the proportion equation
   279,481.50 : 606,231 = 606,231 : x
2. Step 2: Convert to fraction form
   279,481.50/606,231 = 606,231/x
3. Step 3: Cross multiply
   279,481.50x = 606,231 × 606,231
4. Step 4: Simplify right side
   279,481.50x = 367,516,025,361
5. Step 5: Solve for x
   x = 367,516,025,361/279,481.50
6. Step 6: Final answer
   x = 1,314,992.32