Finding the Third Proportional to 37,315.69 and 81,906.19

Step by Step Solution

1. Step 1: Write the proportion equation
   37,315.69 : 81,906.19 = 81,906.19 : x
2. Step 2: Convert to fraction form
   37,315.69/81,906.19 = 81,906.19/x
3. Step 3: Cross multiply
   37,315.69x = 81,906.19 × 81,906.19
4. Step 4: Simplify right side
   37,315.69x = 6,708,623,550.79
5. Step 5: Solve for x
   x = 6,708,623,550.79/37,315.69
6. Step 6: Final answer
   x = 179,780.25