Finding the Third Proportional to 68,208.75 and 97,645.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,208.75 : 97,645.50 = 97,645.50 : x
2. Step 2: Convert to fraction form
   68,208.75/97,645.50 = 97,645.50/x
3. Step 3: Cross multiply
   68,208.75x = 97,645.50 × 97,645.50
4. Step 4: Simplify right side
   68,208.75x = 9,534,643,670.25
5. Step 5: Solve for x
   x = 9,534,643,670.25/68,208.75
6. Step 6: Final answer
   x = 139,786.22