Finding the Third Proportional to 194,457.75 and 422,112

Step by Step Solution

1. Step 1: Write the proportion equation
   194,457.75 : 422,112 = 422,112 : x
2. Step 2: Convert to fraction form
   194,457.75/422,112 = 422,112/x
3. Step 3: Cross multiply
   194,457.75x = 422,112 × 422,112
4. Step 4: Simplify right side
   194,457.75x = 178,178,540,544
5. Step 5: Solve for x
   x = 178,178,540,544/194,457.75
6. Step 6: Final answer
   x = 916,284.08