Finding the Third Proportional to 28,715 and 60,904

Step by Step Solution

1. Step 1: Write the proportion equation
   28,715 : 60,904 = 60,904 : x
2. Step 2: Convert to fraction form
   28,715/60,904 = 60,904/x
3. Step 3: Cross multiply
   28,715x = 60,904 × 60,904
4. Step 4: Simplify right side
   28,715x = 3,709,297,216
5. Step 5: Solve for x
   x = 3,709,297,216/28,715
6. Step 6: Final answer
   x = 129,176.29