Finding the Third Proportional to 91,876 and 200,160

Step by Step Solution

1. Step 1: Write the proportion equation
   91,876 : 200,160 = 200,160 : x
2. Step 2: Convert to fraction form
   91,876/200,160 = 200,160/x
3. Step 3: Cross multiply
   91,876x = 200,160 × 200,160
4. Step 4: Simplify right side
   91,876x = 40,064,025,600
5. Step 5: Solve for x
   x = 40,064,025,600/91,876
6. Step 6: Final answer
   x = 436,066.28