Finding the Third Proportional to 401,320.50 and 535,002.75

Step by Step Solution

1. Step 1: Write the proportion equation
   401,320.50 : 535,002.75 = 535,002.75 : x
2. Step 2: Convert to fraction form
   401,320.50/535,002.75 = 535,002.75/x
3. Step 3: Cross multiply
   401,320.50x = 535,002.75 × 535,002.75
4. Step 4: Simplify right side
   401,320.50x = 286,227,942,507.56
5. Step 5: Solve for x
   x = 286,227,942,507.56/401,320.50
6. Step 6: Final answer
   x = 713,215.35