Finding the Third Proportional to 20,813.63 and 45,434.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,813.63 : 45,434.25 = 45,434.25 : x
2. Step 2: Convert to fraction form
   20,813.63/45,434.25 = 45,434.25/x
3. Step 3: Cross multiply
   20,813.63x = 45,434.25 × 45,434.25
4. Step 4: Simplify right side
   20,813.63x = 2,064,271,073.06
5. Step 5: Solve for x
   x = 2,064,271,073.06/20,813.63
6. Step 6: Final answer
   x = 99,178.83