Finding the Third Proportional to 13,359.94 and 21,153.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,359.94 : 21,153.98 = 21,153.98 : x
2. Step 2: Convert to fraction form
   13,359.94/21,153.98 = 21,153.98/x
3. Step 3: Cross multiply
   13,359.94x = 21,153.98 × 21,153.98
4. Step 4: Simplify right side
   13,359.94x = 447,491,054.94
5. Step 5: Solve for x
   x = 447,491,054.94/13,359.94
6. Step 6: Final answer
   x = 33,495.00