Finding the Third Proportional to 13,495.99 and 21,561.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,495.99 : 21,561.50 = 21,561.50 : x
2. Step 2: Convert to fraction form
   13,495.99/21,561.50 = 21,561.50/x
3. Step 3: Cross multiply
   13,495.99x = 21,561.50 × 21,561.50
4. Step 4: Simplify right side
   13,495.99x = 464,898,450.70
5. Step 5: Solve for x
   x = 464,898,450.70/13,495.99
6. Step 6: Final answer
   x = 34,447.15