Finding the Third Proportional to 348,413.50 and 763,259

Step by Step Solution

1. Step 1: Write the proportion equation
   348,413.50 : 763,259 = 763,259 : x
2. Step 2: Convert to fraction form
   348,413.50/763,259 = 763,259/x
3. Step 3: Cross multiply
   348,413.50x = 763,259 × 763,259
4. Step 4: Simplify right side
   348,413.50x = 582,564,301,081
5. Step 5: Solve for x
   x = 582,564,301,081/348,413.50
6. Step 6: Final answer
   x = 1,672,048.59