Finding the Third Proportional to 10,810.50 and 13,813.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,810.50 : 13,813.50 = 13,813.50 : x
2. Step 2: Convert to fraction form
   10,810.50/13,813.50 = 13,813.50/x
3. Step 3: Cross multiply
   10,810.50x = 13,813.50 × 13,813.50
4. Step 4: Simplify right side
   10,810.50x = 190,812,782.25
5. Step 5: Solve for x
   x = 190,812,782.25/10,810.50
6. Step 6: Final answer
   x = 17,650.69