Finding the Third Proportional to 65,647.88 and 104,212.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,647.88 : 104,212.50 = 104,212.50 : x
2. Step 2: Convert to fraction form
   65,647.88/104,212.50 = 104,212.50/x
3. Step 3: Cross multiply
   65,647.88x = 104,212.50 × 104,212.50
4. Step 4: Simplify right side
   65,647.88x = 10,860,245,156.25
5. Step 5: Solve for x
   x = 10,860,245,156.25/65,647.88
6. Step 6: Final answer
   x = 165,431.79