Finding the Third Proportional to 113,790.94 and 170,978.06

Step by Step Solution

1. Step 1: Write the proportion equation
   113,790.94 : 170,978.06 = 170,978.06 : x
2. Step 2: Convert to fraction form
   113,790.94/170,978.06 = 170,978.06/x
3. Step 3: Cross multiply
   113,790.94x = 170,978.06 × 170,978.06
4. Step 4: Simplify right side
   113,790.94x = 29,233,497,856.25
5. Step 5: Solve for x
   x = 29,233,497,856.25/113,790.94
6. Step 6: Final answer
   x = 256,905.33