Finding the Third Proportional to 199,760.50 and 429,166

Step by Step Solution

1. Step 1: Write the proportion equation
   199,760.50 : 429,166 = 429,166 : x
2. Step 2: Convert to fraction form
   199,760.50/429,166 = 429,166/x
3. Step 3: Cross multiply
   199,760.50x = 429,166 × 429,166
4. Step 4: Simplify right side
   199,760.50x = 184,183,455,556
5. Step 5: Solve for x
   x = 184,183,455,556/199,760.50
6. Step 6: Final answer
   x = 922,021.40