Finding the Third Proportional to 65,009.25 and 103,435.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,009.25 : 103,435.50 = 103,435.50 : x
2. Step 2: Convert to fraction form
   65,009.25/103,435.50 = 103,435.50/x
3. Step 3: Cross multiply
   65,009.25x = 103,435.50 × 103,435.50
4. Step 4: Simplify right side
   65,009.25x = 10,698,902,660.25
5. Step 5: Solve for x
   x = 10,698,902,660.25/65,009.25
6. Step 6: Final answer
   x = 164,575.08