Finding the Third Proportional to 113,480 and 170,710

Step by Step Solution

1. Step 1: Write the proportion equation
   113,480 : 170,710 = 170,710 : x
2. Step 2: Convert to fraction form
   113,480/170,710 = 170,710/x
3. Step 3: Cross multiply
   113,480x = 170,710 × 170,710
4. Step 4: Simplify right side
   113,480x = 29,141,904,100
5. Step 5: Solve for x
   x = 29,141,904,100/113,480
6. Step 6: Final answer
   x = 256,802.12