Finding the Third Proportional to 279,812 and 610,846.50

Step by Step Solution

1. Step 1: Write the proportion equation
   279,812 : 610,846.50 = 610,846.50 : x
2. Step 2: Convert to fraction form
   279,812/610,846.50 = 610,846.50/x
3. Step 3: Cross multiply
   279,812x = 610,846.50 × 610,846.50
4. Step 4: Simplify right side
   279,812x = 373,133,446,562.25
5. Step 5: Solve for x
   x = 373,133,446,562.25/279,812
6. Step 6: Final answer
   x = 1,333,514.81