Finding the Third Proportional to 12,698 and 27,339.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,698 : 27,339.50 = 27,339.50 : x
2. Step 2: Convert to fraction form
   12,698/27,339.50 = 27,339.50/x
3. Step 3: Cross multiply
   12,698x = 27,339.50 × 27,339.50
4. Step 4: Simplify right side
   12,698x = 747,448,260.25
5. Step 5: Solve for x
   x = 747,448,260.25/12,698
6. Step 6: Final answer
   x = 58,863.46