Finding the Third Proportional to 51,810.89 and 113,486.06

Step by Step Solution

1. Step 1: Write the proportion equation
   51,810.89 : 113,486.06 = 113,486.06 : x
2. Step 2: Convert to fraction form
   51,810.89/113,486.06 = 113,486.06/x
3. Step 3: Cross multiply
   51,810.89x = 113,486.06 × 113,486.06
4. Step 4: Simplify right side
   51,810.89x = 12,879,086,381.75
5. Step 5: Solve for x
   x = 12,879,086,381.75/51,810.89
6. Step 6: Final answer
   x = 248,578.75