Finding the Third Proportional to 199,756 and 429,158

Step by Step Solution

1. Step 1: Write the proportion equation
   199,756 : 429,158 = 429,158 : x
2. Step 2: Convert to fraction form
   199,756/429,158 = 429,158/x
3. Step 3: Cross multiply
   199,756x = 429,158 × 429,158
4. Step 4: Simplify right side
   199,756x = 184,176,588,964
5. Step 5: Solve for x
   x = 184,176,588,964/199,756
6. Step 6: Final answer
   x = 922,007.79