Finding the Third Proportional to 331,842.50 and 723,961

Step by Step Solution

1. Step 1: Write the proportion equation
   331,842.50 : 723,961 = 723,961 : x
2. Step 2: Convert to fraction form
   331,842.50/723,961 = 723,961/x
3. Step 3: Cross multiply
   331,842.50x = 723,961 × 723,961
4. Step 4: Simplify right side
   331,842.50x = 524,119,529,521
5. Step 5: Solve for x
   x = 524,119,529,521/331,842.50
6. Step 6: Final answer
   x = 1,579,422.56