Finding the Third Proportional to 60,820 and 130,696

Step by Step Solution

1. Step 1: Write the proportion equation
   60,820 : 130,696 = 130,696 : x
2. Step 2: Convert to fraction form
   60,820/130,696 = 130,696/x
3. Step 3: Cross multiply
   60,820x = 130,696 × 130,696
4. Step 4: Simplify right side
   60,820x = 17,081,444,416
5. Step 5: Solve for x
   x = 17,081,444,416/60,820
6. Step 6: Final answer
   x = 280,852.42