Finding the Third Proportional to 91,110 and 200,156

Step by Step Solution

1. Step 1: Write the proportion equation
   91,110 : 200,156 = 200,156 : x
2. Step 2: Convert to fraction form
   91,110/200,156 = 200,156/x
3. Step 3: Cross multiply
   91,110x = 200,156 × 200,156
4. Step 4: Simplify right side
   91,110x = 40,062,424,336
5. Step 5: Solve for x
   x = 40,062,424,336/91,110
6. Step 6: Final answer
   x = 439,714.90