Finding the Third Proportional to 65,980.50 and 155,597.25

Step by Step Solution

1. Step 1: Write the proportion equation
   65,980.50 : 155,597.25 = 155,597.25 : x
2. Step 2: Convert to fraction form
   65,980.50/155,597.25 = 155,597.25/x
3. Step 3: Cross multiply
   65,980.50x = 155,597.25 × 155,597.25
4. Step 4: Simplify right side
   65,980.50x = 24,210,504,207.56
5. Step 5: Solve for x
   x = 24,210,504,207.56/65,980.50
6. Step 6: Final answer
   x = 366,934.23