Finding the Third Proportional to 332,556 and 727,222.50

Step by Step Solution

1. Step 1: Write the proportion equation
   332,556 : 727,222.50 = 727,222.50 : x
2. Step 2: Convert to fraction form
   332,556/727,222.50 = 727,222.50/x
3. Step 3: Cross multiply
   332,556x = 727,222.50 × 727,222.50
4. Step 4: Simplify right side
   332,556x = 528,852,564,506.25
5. Step 5: Solve for x
   x = 528,852,564,506.25/332,556
6. Step 6: Final answer
   x = 1,590,266.19