Finding the Third Proportional to 10,071.50 and 15,905.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,071.50 : 15,905.50 = 15,905.50 : x
2. Step 2: Convert to fraction form
   10,071.50/15,905.50 = 15,905.50/x
3. Step 3: Cross multiply
   10,071.50x = 15,905.50 × 15,905.50
4. Step 4: Simplify right side
   10,071.50x = 252,984,930.25
5. Step 5: Solve for x
   x = 252,984,930.25/10,071.50
6. Step 6: Final answer
   x = 25,118.89