Finding the Third Proportional to 16,645.50 and 29,872.13

Step by Step Solution

1. Step 1: Write the proportion equation
   16,645.50 : 29,872.13 = 29,872.13 : x
2. Step 2: Convert to fraction form
   16,645.50/29,872.13 = 29,872.13/x
3. Step 3: Cross multiply
   16,645.50x = 29,872.13 × 29,872.13
4. Step 4: Simplify right side
   16,645.50x = 892,343,852.02
5. Step 5: Solve for x
   x = 892,343,852.02/16,645.50
6. Step 6: Final answer
   x = 53,608.71