Finding the Third Proportional to 65,764.50 and 139,354.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,764.50 : 139,354.50 = 139,354.50 : x
2. Step 2: Convert to fraction form
   65,764.50/139,354.50 = 139,354.50/x
3. Step 3: Cross multiply
   65,764.50x = 139,354.50 × 139,354.50
4. Step 4: Simplify right side
   65,764.50x = 19,419,676,670.25
5. Step 5: Solve for x
   x = 19,419,676,670.25/65,764.50
6. Step 6: Final answer
   x = 295,291.18