Finding the Third Proportional to 15,919.88 and 34,603.88

Step by Step Solution

1. Step 1: Write the proportion equation
   15,919.88 : 34,603.88 = 34,603.88 : x
2. Step 2: Convert to fraction form
   15,919.88/34,603.88 = 34,603.88/x
3. Step 3: Cross multiply
   15,919.88x = 34,603.88 × 34,603.88
4. Step 4: Simplify right side
   15,919.88x = 1,197,428,165.02
5. Step 5: Solve for x
   x = 1,197,428,165.02/15,919.88
6. Step 6: Final answer
   x = 75,215.93