Finding the Third Proportional to 42,256 and 91,208

Step by Step Solution

1. Step 1: Write the proportion equation
   42,256 : 91,208 = 91,208 : x
2. Step 2: Convert to fraction form
   42,256/91,208 = 91,208/x
3. Step 3: Cross multiply
   42,256x = 91,208 × 91,208
4. Step 4: Simplify right side
   42,256x = 8,318,899,264
5. Step 5: Solve for x
   x = 8,318,899,264/42,256
6. Step 6: Final answer
   x = 196,869.07