Finding the Third Proportional to 103,680 and 154,806.19

Step by Step Solution

1. Step 1: Write the proportion equation
   103,680 : 154,806.19 = 154,806.19 : x
2. Step 2: Convert to fraction form
   103,680/154,806.19 = 154,806.19/x
3. Step 3: Cross multiply
   103,680x = 154,806.19 × 154,806.19
4. Step 4: Simplify right side
   103,680x = 23,964,955,688.29
5. Step 5: Solve for x
   x = 23,964,955,688.29/103,680
6. Step 6: Final answer
   x = 231,143.48