Finding the Third Proportional to 194,081.91 and 422,335.69

Step by Step Solution

1. Step 1: Write the proportion equation
   194,081.91 : 422,335.69 = 422,335.69 : x
2. Step 2: Convert to fraction form
   194,081.91/422,335.69 = 422,335.69/x
3. Step 3: Cross multiply
   194,081.91x = 422,335.69 × 422,335.69
4. Step 4: Simplify right side
   194,081.91x = 178,367,432,936.10
5. Step 5: Solve for x
   x = 178,367,432,936.10/194,081.91
6. Step 6: Final answer
   x = 919,031.74