Finding the Third Proportional to 23,899.50 and 42,493.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,899.50 : 42,493.50 = 42,493.50 : x
2. Step 2: Convert to fraction form
   23,899.50/42,493.50 = 42,493.50/x
3. Step 3: Cross multiply
   23,899.50x = 42,493.50 × 42,493.50
4. Step 4: Simplify right side
   23,899.50x = 1,805,697,542.25
5. Step 5: Solve for x
   x = 1,805,697,542.25/23,899.50
6. Step 6: Final answer
   x = 75,553.78