Finding the Third Proportional to 331,560 and 723,835.50

Step by Step Solution

1. Step 1: Write the proportion equation
   331,560 : 723,835.50 = 723,835.50 : x
2. Step 2: Convert to fraction form
   331,560/723,835.50 = 723,835.50/x
3. Step 3: Cross multiply
   331,560x = 723,835.50 × 723,835.50
4. Step 4: Simplify right side
   331,560x = 523,937,831,060.25
5. Step 5: Solve for x
   x = 523,937,831,060.25/331,560
6. Step 6: Final answer
   x = 1,580,220.26