Finding the Third Proportional to 11,059,665.47 and 17,171,787.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,059,665.47 : 17,171,787.09 = 17,171,787.09 : x
2. Step 2: Convert to fraction form
   11,059,665.47/17,171,787.09 = 17,171,787.09/x
3. Step 3: Cross multiply
   11,059,665.47x = 17,171,787.09 × 17,171,787.09
4. Step 4: Simplify right side
   11,059,665.47x = 294,870,271,993,079.06
5. Step 5: Solve for x
   x = 294,870,271,993,079.06/11,059,665.47
6. Step 6: Final answer
   x = 26,661,771.36