Finding the Third Proportional to 20,808.38 and 45,503.06

Step by Step Solution

1. Step 1: Write the proportion equation
   20,808.38 : 45,503.06 = 45,503.06 : x
2. Step 2: Convert to fraction form
   20,808.38/45,503.06 = 45,503.06/x
3. Step 3: Cross multiply
   20,808.38x = 45,503.06 × 45,503.06
4. Step 4: Simplify right side
   20,808.38x = 2,070,528,696.88
5. Step 5: Solve for x
   x = 2,070,528,696.88/20,808.38
6. Step 6: Final answer
   x = 99,504.58