Finding the Third Proportional to 10,017.56 and 21,425.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,017.56 : 21,425.06 = 21,425.06 : x
2. Step 2: Convert to fraction form
   10,017.56/21,425.06 = 21,425.06/x
3. Step 3: Cross multiply
   10,017.56x = 21,425.06 × 21,425.06
4. Step 4: Simplify right side
   10,017.56x = 459,033,303.13
5. Step 5: Solve for x
   x = 459,033,303.13/10,017.56
6. Step 6: Final answer
   x = 45,822.85