Finding the Third Proportional to 340,216.50 and 723,444

Step by Step Solution

1. Step 1: Write the proportion equation
   340,216.50 : 723,444 = 723,444 : x
2. Step 2: Convert to fraction form
   340,216.50/723,444 = 723,444/x
3. Step 3: Cross multiply
   340,216.50x = 723,444 × 723,444
4. Step 4: Simplify right side
   340,216.50x = 523,371,221,136
5. Step 5: Solve for x
   x = 523,371,221,136/340,216.50
6. Step 6: Final answer
   x = 1,538,347.56