Finding the Third Proportional to 13,434.50 and 21,106

Step by Step Solution

1. Step 1: Write the proportion equation
   13,434.50 : 21,106 = 21,106 : x
2. Step 2: Convert to fraction form
   13,434.50/21,106 = 21,106/x
3. Step 3: Cross multiply
   13,434.50x = 21,106 × 21,106
4. Step 4: Simplify right side
   13,434.50x = 445,463,236
5. Step 5: Solve for x
   x = 445,463,236/13,434.50
6. Step 6: Final answer
   x = 33,158.16