Finding the Third Proportional to 10,190.81 and 14,978.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,190.81 : 14,978.67 = 14,978.67 : x
2. Step 2: Convert to fraction form
   10,190.81/14,978.67 = 14,978.67/x
3. Step 3: Cross multiply
   10,190.81x = 14,978.67 × 14,978.67
4. Step 4: Simplify right side
   10,190.81x = 224,360,611.14
5. Step 5: Solve for x
   x = 224,360,611.14/10,190.81
6. Step 6: Final answer
   x = 22,015.97