Finding the Third Proportional to 25,978.88 and 56,506.88

Step by Step Solution

1. Step 1: Write the proportion equation
   25,978.88 : 56,506.88 = 56,506.88 : x
2. Step 2: Convert to fraction form
   25,978.88/56,506.88 = 56,506.88/x
3. Step 3: Cross multiply
   25,978.88x = 56,506.88 × 56,506.88
4. Step 4: Simplify right side
   25,978.88x = 3,193,026,922.27
5. Step 5: Solve for x
   x = 3,193,026,922.27/25,978.88
6. Step 6: Final answer
   x = 122,908.59