Finding the Third Proportional to 37,236.94 and 81,990.56

Step by Step Solution

1. Step 1: Write the proportion equation
   37,236.94 : 81,990.56 = 81,990.56 : x
2. Step 2: Convert to fraction form
   37,236.94/81,990.56 = 81,990.56/x
3. Step 3: Cross multiply
   37,236.94x = 81,990.56 × 81,990.56
4. Step 4: Simplify right side
   37,236.94x = 6,722,452,339.07
5. Step 5: Solve for x
   x = 6,722,452,339.07/37,236.94
6. Step 6: Final answer
   x = 180,531.83