Finding the Third Proportional to 199,763.75 and 429,173

Step by Step Solution

1. Step 1: Write the proportion equation
   199,763.75 : 429,173 = 429,173 : x
2. Step 2: Convert to fraction form
   199,763.75/429,173 = 429,173/x
3. Step 3: Cross multiply
   199,763.75x = 429,173 × 429,173
4. Step 4: Simplify right side
   199,763.75x = 184,189,463,929
5. Step 5: Solve for x
   x = 184,189,463,929/199,763.75
6. Step 6: Final answer
   x = 922,036.48