Finding the Third Proportional to 401,544 and 535,333.50

Step by Step Solution

1. Step 1: Write the proportion equation
   401,544 : 535,333.50 = 535,333.50 : x
2. Step 2: Convert to fraction form
   401,544/535,333.50 = 535,333.50/x
3. Step 3: Cross multiply
   401,544x = 535,333.50 × 535,333.50
4. Step 4: Simplify right side
   401,544x = 286,581,956,222.25
5. Step 5: Solve for x
   x = 286,581,956,222.25/401,544
6. Step 6: Final answer
   x = 713,700.01