Finding the Third Proportional to 401,622 and 535,435.50

Step by Step Solution

1. Step 1: Write the proportion equation
   401,622 : 535,435.50 = 535,435.50 : x
2. Step 2: Convert to fraction form
   401,622/535,435.50 = 535,435.50/x
3. Step 3: Cross multiply
   401,622x = 535,435.50 × 535,435.50
4. Step 4: Simplify right side
   401,622x = 286,691,174,660.25
5. Step 5: Solve for x
   x = 286,691,174,660.25/401,622
6. Step 6: Final answer
   x = 713,833.34