Finding the Third Proportional to 39,085 and 85,522

Step by Step Solution

1. Step 1: Write the proportion equation
   39,085 : 85,522 = 85,522 : x
2. Step 2: Convert to fraction form
   39,085/85,522 = 85,522/x
3. Step 3: Cross multiply
   39,085x = 85,522 × 85,522
4. Step 4: Simplify right side
   39,085x = 7,314,012,484
5. Step 5: Solve for x
   x = 7,314,012,484/39,085
6. Step 6: Final answer
   x = 187,130.93