Finding the Third Proportional to 28,210 and 60,308

Step by Step Solution

1. Step 1: Write the proportion equation
   28,210 : 60,308 = 60,308 : x
2. Step 2: Convert to fraction form
   28,210/60,308 = 60,308/x
3. Step 3: Cross multiply
   28,210x = 60,308 × 60,308
4. Step 4: Simplify right side
   28,210x = 3,637,054,864
5. Step 5: Solve for x
   x = 3,637,054,864/28,210
6. Step 6: Final answer
   x = 128,927.86