Finding the Third Proportional to 465,723 and 729,031.50

Step by Step Solution

1. Step 1: Write the proportion equation
   465,723 : 729,031.50 = 729,031.50 : x
2. Step 2: Convert to fraction form
   465,723/729,031.50 = 729,031.50/x
3. Step 3: Cross multiply
   465,723x = 729,031.50 × 729,031.50
4. Step 4: Simplify right side
   465,723x = 531,486,927,992.25
5. Step 5: Solve for x
   x = 531,486,927,992.25/465,723
6. Step 6: Final answer
   x = 1,141,208.25