Finding the Third Proportional to 25,780.50 and 56,259

Step by Step Solution

1. Step 1: Write the proportion equation
   25,780.50 : 56,259 = 56,259 : x
2. Step 2: Convert to fraction form
   25,780.50/56,259 = 56,259/x
3. Step 3: Cross multiply
   25,780.50x = 56,259 × 56,259
4. Step 4: Simplify right side
   25,780.50x = 3,165,075,081
5. Step 5: Solve for x
   x = 3,165,075,081/25,780.50
6. Step 6: Final answer
   x = 122,770.12