Finding the Third Proportional to 305,250 and 663,018.75

Step by Step Solution

1. Step 1: Write the proportion equation
   305,250 : 663,018.75 = 663,018.75 : x
2. Step 2: Convert to fraction form
   305,250/663,018.75 = 663,018.75/x
3. Step 3: Cross multiply
   305,250x = 663,018.75 × 663,018.75
4. Step 4: Simplify right side
   305,250x = 439,593,862,851.56
5. Step 5: Solve for x
   x = 439,593,862,851.56/305,250
6. Step 6: Final answer
   x = 1,440,110.93