Finding the Third Proportional to 16,061.63 and 21,313.13

Step by Step Solution

1. Step 1: Write the proportion equation
   16,061.63 : 21,313.13 = 21,313.13 : x
2. Step 2: Convert to fraction form
   16,061.63/21,313.13 = 21,313.13/x
3. Step 3: Cross multiply
   16,061.63x = 21,313.13 × 21,313.13
4. Step 4: Simplify right side
   16,061.63x = 454,249,297.27
5. Step 5: Solve for x
   x = 454,249,297.27/16,061.63
6. Step 6: Final answer
   x = 28,281.65