Finding the Third Proportional to 6,897.56 and 10,929.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,897.56 : 10,929.56 = 10,929.56 : x
2. Step 2: Convert to fraction form
   6,897.56/10,929.56 = 10,929.56/x
3. Step 3: Cross multiply
   6,897.56x = 10,929.56 × 10,929.56
4. Step 4: Simplify right side
   6,897.56x = 119,455,336.44
5. Step 5: Solve for x
   x = 119,455,336.44/6,897.56
6. Step 6: Final answer
   x = 17,318.49