Finding the Third Proportional to 47,615 and 72,949

Step by Step Solution

1. Step 1: Write the proportion equation
   47,615 : 72,949 = 72,949 : x
2. Step 2: Convert to fraction form
   47,615/72,949 = 72,949/x
3. Step 3: Cross multiply
   47,615x = 72,949 × 72,949
4. Step 4: Simplify right side
   47,615x = 5,321,556,601
5. Step 5: Solve for x
   x = 5,321,556,601/47,615
6. Step 6: Final answer
   x = 111,762.19