Finding the Third Proportional to 38,302 and 57,490

Step by Step Solution

1. Step 1: Write the proportion equation
   38,302 : 57,490 = 57,490 : x
2. Step 2: Convert to fraction form
   38,302/57,490 = 57,490/x
3. Step 3: Cross multiply
   38,302x = 57,490 × 57,490
4. Step 4: Simplify right side
   38,302x = 3,305,100,100
5. Step 5: Solve for x
   x = 3,305,100,100/38,302
6. Step 6: Final answer
   x = 86,290.54