Finding the Third Proportional to 6,783.12 and 10,892.29

Step by Step Solution

1. Step 1: Write the proportion equation
   6,783.12 : 10,892.29 = 10,892.29 : x
2. Step 2: Convert to fraction form
   6,783.12/10,892.29 = 10,892.29/x
3. Step 3: Cross multiply
   6,783.12x = 10,892.29 × 10,892.29
4. Step 4: Simplify right side
   6,783.12x = 118,641,875.93
5. Step 5: Solve for x
   x = 118,641,875.93/6,783.12
6. Step 6: Final answer
   x = 17,490.76