Finding the Third Proportional to 37,964.38 and 56,638.69

Step by Step Solution

1. Step 1: Write the proportion equation
   37,964.38 : 56,638.69 = 56,638.69 : x
2. Step 2: Convert to fraction form
   37,964.38/56,638.69 = 56,638.69/x
3. Step 3: Cross multiply
   37,964.38x = 56,638.69 × 56,638.69
4. Step 4: Simplify right side
   37,964.38x = 3,207,940,921.72
5. Step 5: Solve for x
   x = 3,207,940,921.72/37,964.38
6. Step 6: Final answer
   x = 84,498.72