Finding the Third Proportional to 60,456 and 130,656

Step by Step Solution

1. Step 1: Write the proportion equation
   60,456 : 130,656 = 130,656 : x
2. Step 2: Convert to fraction form
   60,456/130,656 = 130,656/x
3. Step 3: Cross multiply
   60,456x = 130,656 × 130,656
4. Step 4: Simplify right side
   60,456x = 17,070,990,336
5. Step 5: Solve for x
   x = 17,070,990,336/60,456
6. Step 6: Final answer
   x = 282,370.49