Finding the Third Proportional to 13,658 and 28,786

Step by Step Solution

1. Step 1: Write the proportion equation
   13,658 : 28,786 = 28,786 : x
2. Step 2: Convert to fraction form
   13,658/28,786 = 28,786/x
3. Step 3: Cross multiply
   13,658x = 28,786 × 28,786
4. Step 4: Simplify right side
   13,658x = 828,633,796
5. Step 5: Solve for x
   x = 828,633,796/13,658
6. Step 6: Final answer
   x = 60,670.21