Finding the Third Proportional to 37,987.73 and 81,818.86

Step by Step Solution

1. Step 1: Write the proportion equation
   37,987.73 : 81,818.86 = 81,818.86 : x
2. Step 2: Convert to fraction form
   37,987.73/81,818.86 = 81,818.86/x
3. Step 3: Cross multiply
   37,987.73x = 81,818.86 × 81,818.86
4. Step 4: Simplify right side
   37,987.73x = 6,694,325,749.43
5. Step 5: Solve for x
   x = 6,694,325,749.43/37,987.73
6. Step 6: Final answer
   x = 176,223.35