Finding the Third Proportional to 37,651.50 and 81,865.69

Step by Step Solution

1. Step 1: Write the proportion equation
   37,651.50 : 81,865.69 = 81,865.69 : x
2. Step 2: Convert to fraction form
   37,651.50/81,865.69 = 81,865.69/x
3. Step 3: Cross multiply
   37,651.50x = 81,865.69 × 81,865.69
4. Step 4: Simplify right side
   37,651.50x = 6,701,990,789.85
5. Step 5: Solve for x
   x = 6,701,990,789.85/37,651.50
6. Step 6: Final answer
   x = 178,000.63