Finding the Third Proportional to 103,620 and 154,788

Step by Step Solution

1. Step 1: Write the proportion equation
   103,620 : 154,788 = 154,788 : x
2. Step 2: Convert to fraction form
   103,620/154,788 = 154,788/x
3. Step 3: Cross multiply
   103,620x = 154,788 × 154,788
4. Step 4: Simplify right side
   103,620x = 23,959,324,944
5. Step 5: Solve for x
   x = 23,959,324,944/103,620
6. Step 6: Final answer
   x = 231,222.98