Finding the Third Proportional to 91,856 and 200,560

Step by Step Solution

1. Step 1: Write the proportion equation
   91,856 : 200,560 = 200,560 : x
2. Step 2: Convert to fraction form
   91,856/200,560 = 200,560/x
3. Step 3: Cross multiply
   91,856x = 200,560 × 200,560
4. Step 4: Simplify right side
   91,856x = 40,224,313,600
5. Step 5: Solve for x
   x = 40,224,313,600/91,856
6. Step 6: Final answer
   x = 437,906.22