Finding the Third Proportional to 20,620.83 and 45,182.81

Step by Step Solution

1. Step 1: Write the proportion equation
   20,620.83 : 45,182.81 = 45,182.81 : x
2. Step 2: Convert to fraction form
   20,620.83/45,182.81 = 45,182.81/x
3. Step 3: Cross multiply
   20,620.83x = 45,182.81 × 45,182.81
4. Step 4: Simplify right side
   20,620.83x = 2,041,486,545.41
5. Step 5: Solve for x
   x = 2,041,486,545.41/20,620.83
6. Step 6: Final answer
   x = 99,001.19