Finding the Third Proportional to 10,607.63 and 16,421.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,607.63 : 16,421.06 = 16,421.06 : x
2. Step 2: Convert to fraction form
   10,607.63/16,421.06 = 16,421.06/x
3. Step 3: Cross multiply
   10,607.63x = 16,421.06 × 16,421.06
4. Step 4: Simplify right side
   10,607.63x = 269,651,293.63
5. Step 5: Solve for x
   x = 269,651,293.63/10,607.63
6. Step 6: Final answer
   x = 25,420.52