Finding the Third Proportional to 19,691.25 and 43,209.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,691.25 : 43,209.75 = 43,209.75 : x
2. Step 2: Convert to fraction form
   19,691.25/43,209.75 = 43,209.75/x
3. Step 3: Cross multiply
   19,691.25x = 43,209.75 × 43,209.75
4. Step 4: Simplify right side
   19,691.25x = 1,867,082,495.06
5. Step 5: Solve for x
   x = 1,867,082,495.06/19,691.25
6. Step 6: Final answer
   x = 94,817.88