Finding the Third Proportional to 25,449 and 55,415.63

Step by Step Solution

1. Step 1: Write the proportion equation
   25,449 : 55,415.63 = 55,415.63 : x
2. Step 2: Convert to fraction form
   25,449/55,415.63 = 55,415.63/x
3. Step 3: Cross multiply
   25,449x = 55,415.63 × 55,415.63
4. Step 4: Simplify right side
   25,449x = 3,070,891,494.14
5. Step 5: Solve for x
   x = 3,070,891,494.14/25,449
6. Step 6: Final answer
   x = 120,668.45