Finding the Third Proportional to 6,999.75 and 10,837.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,999.75 : 10,837.69 = 10,837.69 : x
2. Step 2: Convert to fraction form
   6,999.75/10,837.69 = 10,837.69/x
3. Step 3: Cross multiply
   6,999.75x = 10,837.69 × 10,837.69
4. Step 4: Simplify right side
   6,999.75x = 117,455,470.35
5. Step 5: Solve for x
   x = 117,455,470.35/6,999.75
6. Step 6: Final answer
   x = 16,779.95