Finding the Third Proportional to 310,832 and 456,048.50

Step by Step Solution

1. Step 1: Write the proportion equation
   310,832 : 456,048.50 = 456,048.50 : x
2. Step 2: Convert to fraction form
   310,832/456,048.50 = 456,048.50/x
3. Step 3: Cross multiply
   310,832x = 456,048.50 × 456,048.50
4. Step 4: Simplify right side
   310,832x = 207,980,234,352.25
5. Step 5: Solve for x
   x = 207,980,234,352.25/310,832
6. Step 6: Final answer
   x = 669,108.18