Finding the Third Proportional to 65,420.25 and 103,760.25

Step by Step Solution

1. Step 1: Write the proportion equation
   65,420.25 : 103,760.25 = 103,760.25 : x
2. Step 2: Convert to fraction form
   65,420.25/103,760.25 = 103,760.25/x
3. Step 3: Cross multiply
   65,420.25x = 103,760.25 × 103,760.25
4. Step 4: Simplify right side
   65,420.25x = 10,766,189,480.06
5. Step 5: Solve for x
   x = 10,766,189,480.06/65,420.25
6. Step 6: Final answer
   x = 164,569.68