Finding the Third Proportional to 103,615 and 154,783

Step by Step Solution

1. Step 1: Write the proportion equation
   103,615 : 154,783 = 154,783 : x
2. Step 2: Convert to fraction form
   103,615/154,783 = 154,783/x
3. Step 3: Cross multiply
   103,615x = 154,783 × 154,783
4. Step 4: Simplify right side
   103,615x = 23,957,777,089
5. Step 5: Solve for x
   x = 23,957,777,089/103,615
6. Step 6: Final answer
   x = 231,219.20