Finding the Third Proportional to 12,486 and 26,748.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,486 : 26,748.50 = 26,748.50 : x
2. Step 2: Convert to fraction form
   12,486/26,748.50 = 26,748.50/x
3. Step 3: Cross multiply
   12,486x = 26,748.50 × 26,748.50
4. Step 4: Simplify right side
   12,486x = 715,482,252.25
5. Step 5: Solve for x
   x = 715,482,252.25/12,486
6. Step 6: Final answer
   x = 57,302.76