Finding the Third Proportional to 65,212.50 and 103,655.25

Step by Step Solution

1. Step 1: Write the proportion equation
   65,212.50 : 103,655.25 = 103,655.25 : x
2. Step 2: Convert to fraction form
   65,212.50/103,655.25 = 103,655.25/x
3. Step 3: Cross multiply
   65,212.50x = 103,655.25 × 103,655.25
4. Step 4: Simplify right side
   65,212.50x = 10,744,410,852.56
5. Step 5: Solve for x
   x = 10,744,410,852.56/65,212.50
6. Step 6: Final answer
   x = 164,759.99