Finding the Third Proportional to 25,528 and 38,139

Step by Step Solution

1. Step 1: Write the proportion equation
   25,528 : 38,139 = 38,139 : x
2. Step 2: Convert to fraction form
   25,528/38,139 = 38,139/x
3. Step 3: Cross multiply
   25,528x = 38,139 × 38,139
4. Step 4: Simplify right side
   25,528x = 1,454,583,321
5. Step 5: Solve for x
   x = 1,454,583,321/25,528
6. Step 6: Final answer
   x = 56,979.92