Finding the Third Proportional to 91,467 and 200,157

Step by Step Solution

1. Step 1: Write the proportion equation
   91,467 : 200,157 = 200,157 : x
2. Step 2: Convert to fraction form
   91,467/200,157 = 200,157/x
3. Step 3: Cross multiply
   91,467x = 200,157 × 200,157
4. Step 4: Simplify right side
   91,467x = 40,062,824,649
5. Step 5: Solve for x
   x = 40,062,824,649/91,467
6. Step 6: Final answer
   x = 438,003.05