Finding the Third Proportional to 401,935.50 and 622,076.50

Step by Step Solution

1. Step 1: Write the proportion equation
   401,935.50 : 622,076.50 = 622,076.50 : x
2. Step 2: Convert to fraction form
   401,935.50/622,076.50 = 622,076.50/x
3. Step 3: Cross multiply
   401,935.50x = 622,076.50 × 622,076.50
4. Step 4: Simplify right side
   401,935.50x = 386,979,171,852.25
5. Step 5: Solve for x
   x = 386,979,171,852.25/401,935.50
6. Step 6: Final answer
   x = 962,789.23