Finding the Third Proportional to 81,568.50 and 180,606

Step by Step Solution

1. Step 1: Write the proportion equation
   81,568.50 : 180,606 = 180,606 : x
2. Step 2: Convert to fraction form
   81,568.50/180,606 = 180,606/x
3. Step 3: Cross multiply
   81,568.50x = 180,606 × 180,606
4. Step 4: Simplify right side
   81,568.50x = 32,618,527,236
5. Step 5: Solve for x
   x = 32,618,527,236/81,568.50
6. Step 6: Final answer
   x = 399,891.22