Finding the Third Proportional to 345,046.50 and 754,062.50

Step by Step Solution

1. Step 1: Write the proportion equation
   345,046.50 : 754,062.50 = 754,062.50 : x
2. Step 2: Convert to fraction form
   345,046.50/754,062.50 = 754,062.50/x
3. Step 3: Cross multiply
   345,046.50x = 754,062.50 × 754,062.50
4. Step 4: Simplify right side
   345,046.50x = 568,610,253,906.25
5. Step 5: Solve for x
   x = 568,610,253,906.25/345,046.50
6. Step 6: Final answer
   x = 1,647,923.55