Finding the Third Proportional to 10,681 and 14,979.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,681 : 14,979.50 = 14,979.50 : x
2. Step 2: Convert to fraction form
   10,681/14,979.50 = 14,979.50/x
3. Step 3: Cross multiply
   10,681x = 14,979.50 × 14,979.50
4. Step 4: Simplify right side
   10,681x = 224,385,420.25
5. Step 5: Solve for x
   x = 224,385,420.25/10,681
6. Step 6: Final answer
   x = 21,007.90