Finding the Third Proportional to 12,698 and 27,158

Step by Step Solution

1. Step 1: Write the proportion equation
   12,698 : 27,158 = 27,158 : x
2. Step 2: Convert to fraction form
   12,698/27,158 = 27,158/x
3. Step 3: Cross multiply
   12,698x = 27,158 × 27,158
4. Step 4: Simplify right side
   12,698x = 737,556,964
5. Step 5: Solve for x
   x = 737,556,964/12,698
6. Step 6: Final answer
   x = 58,084.50