Finding the Third Proportional to 28,636 and 60,488

Step by Step Solution

1. Step 1: Write the proportion equation
   28,636 : 60,488 = 60,488 : x
2. Step 2: Convert to fraction form
   28,636/60,488 = 60,488/x
3. Step 3: Cross multiply
   28,636x = 60,488 × 60,488
4. Step 4: Simplify right side
   28,636x = 3,658,798,144
5. Step 5: Solve for x
   x = 3,658,798,144/28,636
6. Step 6: Final answer
   x = 127,769.18