Finding the Third Proportional to 88,638.05 and 194,498.72

Step by Step Solution

1. Step 1: Write the proportion equation
   88,638.05 : 194,498.72 = 194,498.72 : x
2. Step 2: Convert to fraction form
   88,638.05/194,498.72 = 194,498.72/x
3. Step 3: Cross multiply
   88,638.05x = 194,498.72 × 194,498.72
4. Step 4: Simplify right side
   88,638.05x = 37,829,751,595.39
5. Step 5: Solve for x
   x = 37,829,751,595.39/88,638.05
6. Step 6: Final answer
   x = 426,789.09