Finding the Third Proportional to 12,476 and 28,886

Step by Step Solution

1. Step 1: Write the proportion equation
   12,476 : 28,886 = 28,886 : x
2. Step 2: Convert to fraction form
   12,476/28,886 = 28,886/x
3. Step 3: Cross multiply
   12,476x = 28,886 × 28,886
4. Step 4: Simplify right side
   12,476x = 834,400,996
5. Step 5: Solve for x
   x = 834,400,996/12,476
6. Step 6: Final answer
   x = 66,880.49