Finding the Third Proportional to 304,159 and 661,831.50

Step by Step Solution

1. Step 1: Write the proportion equation
   304,159 : 661,831.50 = 661,831.50 : x
2. Step 2: Convert to fraction form
   304,159/661,831.50 = 661,831.50/x
3. Step 3: Cross multiply
   304,159x = 661,831.50 × 661,831.50
4. Step 4: Simplify right side
   304,159x = 438,020,934,392.25
5. Step 5: Solve for x
   x = 438,020,934,392.25/304,159
6. Step 6: Final answer
   x = 1,440,105.12