Finding the Third Proportional to 195,978.75 and 429,303

Step by Step Solution

1. Step 1: Write the proportion equation
   195,978.75 : 429,303 = 429,303 : x
2. Step 2: Convert to fraction form
   195,978.75/429,303 = 429,303/x
3. Step 3: Cross multiply
   195,978.75x = 429,303 × 429,303
4. Step 4: Simplify right side
   195,978.75x = 184,301,065,809
5. Step 5: Solve for x
   x = 184,301,065,809/195,978.75
6. Step 6: Final answer
   x = 940,413.52