Finding the Third Proportional to 28,208 and 63,099

Step by Step Solution

1. Step 1: Write the proportion equation
   28,208 : 63,099 = 63,099 : x
2. Step 2: Convert to fraction form
   28,208/63,099 = 63,099/x
3. Step 3: Cross multiply
   28,208x = 63,099 × 63,099
4. Step 4: Simplify right side
   28,208x = 3,981,483,801
5. Step 5: Solve for x
   x = 3,981,483,801/28,208
6. Step 6: Final answer
   x = 141,147.33