Finding the Third Proportional to 25,990 and 56,535

Step by Step Solution

1. Step 1: Write the proportion equation
   25,990 : 56,535 = 56,535 : x
2. Step 2: Convert to fraction form
   25,990/56,535 = 56,535/x
3. Step 3: Cross multiply
   25,990x = 56,535 × 56,535
4. Step 4: Simplify right side
   25,990x = 3,196,206,225
5. Step 5: Solve for x
   x = 3,196,206,225/25,990
6. Step 6: Final answer
   x = 122,978.31