Finding the Third Proportional to 322,114.50 and 727,740

Step by Step Solution

1. Step 1: Write the proportion equation
   322,114.50 : 727,740 = 727,740 : x
2. Step 2: Convert to fraction form
   322,114.50/727,740 = 727,740/x
3. Step 3: Cross multiply
   322,114.50x = 727,740 × 727,740
4. Step 4: Simplify right side
   322,114.50x = 529,605,507,600
5. Step 5: Solve for x
   x = 529,605,507,600/322,114.50
6. Step 6: Final answer
   x = 1,644,152.96