Finding the Third Proportional to 12,590.50 and 26,476.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,590.50 : 26,476.75 = 26,476.75 : x
2. Step 2: Convert to fraction form
   12,590.50/26,476.75 = 26,476.75/x
3. Step 3: Cross multiply
   12,590.50x = 26,476.75 × 26,476.75
4. Step 4: Simplify right side
   12,590.50x = 701,018,290.56
5. Step 5: Solve for x
   x = 701,018,290.56/12,590.50
6. Step 6: Final answer
   x = 55,678.35