Finding the Third Proportional to 4,734.56 and 9,959.06

Step by Step Solution

1. Step 1: Write the proportion equation
   4,734.56 : 9,959.06 = 9,959.06 : x
2. Step 2: Convert to fraction form
   4,734.56/9,959.06 = 9,959.06/x
3. Step 3: Cross multiply
   4,734.56x = 9,959.06 × 9,959.06
4. Step 4: Simplify right side
   4,734.56x = 99,182,925.88
5. Step 5: Solve for x
   x = 99,182,925.88/4,734.56
6. Step 6: Final answer
   x = 20,948.70