Finding the Third Proportional to 91,872 and 200,151

Step by Step Solution

1. Step 1: Write the proportion equation
   91,872 : 200,151 = 200,151 : x
2. Step 2: Convert to fraction form
   91,872/200,151 = 200,151/x
3. Step 3: Cross multiply
   91,872x = 200,151 × 200,151
4. Step 4: Simplify right side
   91,872x = 40,060,422,801
5. Step 5: Solve for x
   x = 40,060,422,801/91,872
6. Step 6: Final answer
   x = 436,046.05