Finding the Third Proportional to 7,056.76 and 10,920.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,056.76 : 10,920.32 = 10,920.32 : x
2. Step 2: Convert to fraction form
   7,056.76/10,920.32 = 10,920.32/x
3. Step 3: Cross multiply
   7,056.76x = 10,920.32 × 10,920.32
4. Step 4: Simplify right side
   7,056.76x = 119,253,318.41
5. Step 5: Solve for x
   x = 119,253,318.41/7,056.76
6. Step 6: Final answer
   x = 16,899.16