Finding the Third Proportional to 37,890 and 57,361

Step by Step Solution

1. Step 1: Write the proportion equation
   37,890 : 57,361 = 57,361 : x
2. Step 2: Convert to fraction form
   37,890/57,361 = 57,361/x
3. Step 3: Cross multiply
   37,890x = 57,361 × 57,361
4. Step 4: Simplify right side
   37,890x = 3,290,284,321
5. Step 5: Solve for x
   x = 3,290,284,321/37,890
6. Step 6: Final answer
   x = 86,837.80