Finding the Third Proportional to 20,814.47 and 45,509.34

Step by Step Solution

1. Step 1: Write the proportion equation
   20,814.47 : 45,509.34 = 45,509.34 : x
2. Step 2: Convert to fraction form
   20,814.47/45,509.34 = 45,509.34/x
3. Step 3: Cross multiply
   20,814.47x = 45,509.34 × 45,509.34
4. Step 4: Simplify right side
   20,814.47x = 2,071,100,368.56
5. Step 5: Solve for x
   x = 2,071,100,368.56/20,814.47
6. Step 6: Final answer
   x = 99,502.92