Finding the Third Proportional to 2,900.81 and 4,502.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,900.81 : 4,502.81 = 4,502.81 : x
2. Step 2: Convert to fraction form
   2,900.81/4,502.81 = 4,502.81/x
3. Step 3: Cross multiply
   2,900.81x = 4,502.81 × 4,502.81
4. Step 4: Simplify right side
   2,900.81x = 20,275,320.41
5. Step 5: Solve for x
   x = 20,275,320.41/2,900.81
6. Step 6: Final answer
   x = 6,989.53