Finding the Third Proportional to 55,620 and 113,172

Step by Step Solution

1. Step 1: Write the proportion equation
   55,620 : 113,172 = 113,172 : x
2. Step 2: Convert to fraction form
   55,620/113,172 = 113,172/x
3. Step 3: Cross multiply
   55,620x = 113,172 × 113,172
4. Step 4: Simplify right side
   55,620x = 12,807,901,584
5. Step 5: Solve for x
   x = 12,807,901,584/55,620
6. Step 6: Final answer
   x = 230,275.11