Finding the Third Proportional to 535,248 and 729,040.50

Step by Step Solution

1. Step 1: Write the proportion equation
   535,248 : 729,040.50 = 729,040.50 : x
2. Step 2: Convert to fraction form
   535,248/729,040.50 = 729,040.50/x
3. Step 3: Cross multiply
   535,248x = 729,040.50 × 729,040.50
4. Step 4: Simplify right side
   535,248x = 531,500,050,640.25
5. Step 5: Solve for x
   x = 531,500,050,640.25/535,248
6. Step 6: Final answer
   x = 992,997.73