Finding the Third Proportional to 138,601 and 214,525.50

Step by Step Solution

1. Step 1: Write the proportion equation
   138,601 : 214,525.50 = 214,525.50 : x
2. Step 2: Convert to fraction form
   138,601/214,525.50 = 214,525.50/x
3. Step 3: Cross multiply
   138,601x = 214,525.50 × 214,525.50
4. Step 4: Simplify right side
   138,601x = 46,021,190,150.25
5. Step 5: Solve for x
   x = 46,021,190,150.25/138,601
6. Step 6: Final answer
   x = 332,040.82