Finding the Third Proportional to 40,709 and 60,985

Step by Step Solution

1. Step 1: Write the proportion equation
   40,709 : 60,985 = 60,985 : x
2. Step 2: Convert to fraction form
   40,709/60,985 = 60,985/x
3. Step 3: Cross multiply
   40,709x = 60,985 × 60,985
4. Step 4: Simplify right side
   40,709x = 3,719,170,225
5. Step 5: Solve for x
   x = 3,719,170,225/40,709
6. Step 6: Final answer
   x = 91,359.90