Finding the Third Proportional to 1,898 and 4,139

Step by Step Solution

1. Step 1: Write the proportion equation
   1,898 : 4,139 = 4,139 : x
2. Step 2: Convert to fraction form
   1,898/4,139 = 4,139/x
3. Step 3: Cross multiply
   1,898x = 4,139 × 4,139
4. Step 4: Simplify right side
   1,898x = 17,131,321
5. Step 5: Solve for x
   x = 17,131,321/1,898
6. Step 6: Final answer
   x = 9,025.99