Finding the Third Proportional to 60,449 and 130,630

Step by Step Solution

1. Step 1: Write the proportion equation
   60,449 : 130,630 = 130,630 : x
2. Step 2: Convert to fraction form
   60,449/130,630 = 130,630/x
3. Step 3: Cross multiply
   60,449x = 130,630 × 130,630
4. Step 4: Simplify right side
   60,449x = 17,064,196,900
5. Step 5: Solve for x
   x = 17,064,196,900/60,449
6. Step 6: Final answer
   x = 282,290.81