Finding the Third Proportional to 28,206 and 60,300

Step by Step Solution

1. Step 1: Write the proportion equation
   28,206 : 60,300 = 60,300 : x
2. Step 2: Convert to fraction form
   28,206/60,300 = 60,300/x
3. Step 3: Cross multiply
   28,206x = 60,300 × 60,300
4. Step 4: Simplify right side
   28,206x = 3,636,090,000
5. Step 5: Solve for x
   x = 3,636,090,000/28,206
6. Step 6: Final answer
   x = 128,911.93