Finding the Third Proportional to 310,230 and 453,028.50

Step by Step Solution

1. Step 1: Write the proportion equation
   310,230 : 453,028.50 = 453,028.50 : x
2. Step 2: Convert to fraction form
   310,230/453,028.50 = 453,028.50/x
3. Step 3: Cross multiply
   310,230x = 453,028.50 × 453,028.50
4. Step 4: Simplify right side
   310,230x = 205,234,821,812.25
5. Step 5: Solve for x
   x = 205,234,821,812.25/310,230
6. Step 6: Final answer
   x = 661,556.98