Finding the Third Proportional to 103,688 and 154,818

Step by Step Solution

1. Step 1: Write the proportion equation
   103,688 : 154,818 = 154,818 : x
2. Step 2: Convert to fraction form
   103,688/154,818 = 154,818/x
3. Step 3: Cross multiply
   103,688x = 154,818 × 154,818
4. Step 4: Simplify right side
   103,688x = 23,968,613,124
5. Step 5: Solve for x
   x = 23,968,613,124/103,688
6. Step 6: Final answer
   x = 231,160.92