Finding the Third Proportional to 199,152.75 and 429,999

Step by Step Solution

1. Step 1: Write the proportion equation
   199,152.75 : 429,999 = 429,999 : x
2. Step 2: Convert to fraction form
   199,152.75/429,999 = 429,999/x
3. Step 3: Cross multiply
   199,152.75x = 429,999 × 429,999
4. Step 4: Simplify right side
   199,152.75x = 184,899,140,001
5. Step 5: Solve for x
   x = 184,899,140,001/199,152.75
6. Step 6: Final answer
   x = 928,428.76