Finding the Third Proportional to 168,354 and 363,413.81

Step by Step Solution

1. Step 1: Write the proportion equation
   168,354 : 363,413.81 = 363,413.81 : x
2. Step 2: Convert to fraction form
   168,354/363,413.81 = 363,413.81/x
3. Step 3: Cross multiply
   168,354x = 363,413.81 × 363,413.81
4. Step 4: Simplify right side
   168,354x = 132,069,599,115.79
5. Step 5: Solve for x
   x = 132,069,599,115.79/168,354
6. Step 6: Final answer
   x = 784,475.56