Finding the Third Proportional to 55,429.88 and 117,477

Step by Step Solution

1. Step 1: Write the proportion equation
   55,429.88 : 117,477 = 117,477 : x
2. Step 2: Convert to fraction form
   55,429.88/117,477 = 117,477/x
3. Step 3: Cross multiply
   55,429.88x = 117,477 × 117,477
4. Step 4: Simplify right side
   55,429.88x = 13,800,845,529
5. Step 5: Solve for x
   x = 13,800,845,529/55,429.88
6. Step 6: Final answer
   x = 248,978.47