Finding the Third Proportional to 113,339 and 234,868

Step by Step Solution

1. Step 1: Write the proportion equation
   113,339 : 234,868 = 234,868 : x
2. Step 2: Convert to fraction form
   113,339/234,868 = 234,868/x
3. Step 3: Cross multiply
   113,339x = 234,868 × 234,868
4. Step 4: Simplify right side
   113,339x = 55,162,977,424
5. Step 5: Solve for x
   x = 55,162,977,424/113,339
6. Step 6: Final answer
   x = 486,707.82