Finding the Third Proportional to 323,007.75 and 662,134.50

Step by Step Solution

1. Step 1: Write the proportion equation
   323,007.75 : 662,134.50 = 662,134.50 : x
2. Step 2: Convert to fraction form
   323,007.75/662,134.50 = 662,134.50/x
3. Step 3: Cross multiply
   323,007.75x = 662,134.50 × 662,134.50
4. Step 4: Simplify right side
   323,007.75x = 438,422,096,090.25
5. Step 5: Solve for x
   x = 438,422,096,090.25/323,007.75
6. Step 6: Final answer
   x = 1,357,311.38