Finding the Third Proportional to 13,416 and 21,275.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,416 : 21,275.25 = 21,275.25 : x
2. Step 2: Convert to fraction form
   13,416/21,275.25 = 21,275.25/x
3. Step 3: Cross multiply
   13,416x = 21,275.25 × 21,275.25
4. Step 4: Simplify right side
   13,416x = 452,636,262.56
5. Step 5: Solve for x
   x = 452,636,262.56/13,416
6. Step 6: Final answer
   x = 33,738.54