Finding the Third Proportional to 12,258 and 28,845

Step by Step Solution

1. Step 1: Write the proportion equation
   12,258 : 28,845 = 28,845 : x
2. Step 2: Convert to fraction form
   12,258/28,845 = 28,845/x
3. Step 3: Cross multiply
   12,258x = 28,845 × 28,845
4. Step 4: Simplify right side
   12,258x = 832,034,025
5. Step 5: Solve for x
   x = 832,034,025/12,258
6. Step 6: Final answer
   x = 67,876.82