Finding the Third Proportional to 70,808 and 108,688

Step by Step Solution

1. Step 1: Write the proportion equation
   70,808 : 108,688 = 108,688 : x
2. Step 2: Convert to fraction form
   70,808/108,688 = 108,688/x
3. Step 3: Cross multiply
   70,808x = 108,688 × 108,688
4. Step 4: Simplify right side
   70,808x = 11,813,081,344
5. Step 5: Solve for x
   x = 11,813,081,344/70,808
6. Step 6: Final answer
   x = 166,832.58