Finding the Third Proportional to 45,509 and 71,236

Step by Step Solution

1. Step 1: Write the proportion equation
   45,509 : 71,236 = 71,236 : x
2. Step 2: Convert to fraction form
   45,509/71,236 = 71,236/x
3. Step 3: Cross multiply
   45,509x = 71,236 × 71,236
4. Step 4: Simplify right side
   45,509x = 5,074,567,696
5. Step 5: Solve for x
   x = 5,074,567,696/45,509
6. Step 6: Final answer
   x = 111,506.90