Finding the Third Proportional to 65,458.50 and 103,817.25

Step by Step Solution

1. Step 1: Write the proportion equation
   65,458.50 : 103,817.25 = 103,817.25 : x
2. Step 2: Convert to fraction form
   65,458.50/103,817.25 = 103,817.25/x
3. Step 3: Cross multiply
   65,458.50x = 103,817.25 × 103,817.25
4. Step 4: Simplify right side
   65,458.50x = 10,778,021,397.56
5. Step 5: Solve for x
   x = 10,778,021,397.56/65,458.50
6. Step 6: Final answer
   x = 164,654.27