Finding the Third Proportional to 358,945.50 and 783,092.25

Step by Step Solution

1. Step 1: Write the proportion equation
   358,945.50 : 783,092.25 = 783,092.25 : x
2. Step 2: Convert to fraction form
   358,945.50/783,092.25 = 783,092.25/x
3. Step 3: Cross multiply
   358,945.50x = 783,092.25 × 783,092.25
4. Step 4: Simplify right side
   358,945.50x = 613,233,472,010.06
5. Step 5: Solve for x
   x = 613,233,472,010.06/358,945.50
6. Step 6: Final answer
   x = 1,708,430.59