Finding the Third Proportional to 45,688 and 71,610

Step by Step Solution

1. Step 1: Write the proportion equation
   45,688 : 71,610 = 71,610 : x
2. Step 2: Convert to fraction form
   45,688/71,610 = 71,610/x
3. Step 3: Cross multiply
   45,688x = 71,610 × 71,610
4. Step 4: Simplify right side
   45,688x = 5,127,992,100
5. Step 5: Solve for x
   x = 5,127,992,100/45,688
6. Step 6: Final answer
   x = 112,239.36