Finding the Third Proportional to 65,900.25 and 155,499.75

Step by Step Solution

1. Step 1: Write the proportion equation
   65,900.25 : 155,499.75 = 155,499.75 : x
2. Step 2: Convert to fraction form
   65,900.25/155,499.75 = 155,499.75/x
3. Step 3: Cross multiply
   65,900.25x = 155,499.75 × 155,499.75
4. Step 4: Simplify right side
   65,900.25x = 24,180,172,250.06
5. Step 5: Solve for x
   x = 24,180,172,250.06/65,900.25
6. Step 6: Final answer
   x = 366,920.80