Finding the Third Proportional to 10,116 and 15,520.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,116 : 15,520.50 = 15,520.50 : x
2. Step 2: Convert to fraction form
   10,116/15,520.50 = 15,520.50/x
3. Step 3: Cross multiply
   10,116x = 15,520.50 × 15,520.50
4. Step 4: Simplify right side
   10,116x = 240,885,920.25
5. Step 5: Solve for x
   x = 240,885,920.25/10,116
6. Step 6: Final answer
   x = 23,812.37