Finding the Third Proportional to 65,262.75 and 139,060.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,262.75 : 139,060.50 = 139,060.50 : x
2. Step 2: Convert to fraction form
   65,262.75/139,060.50 = 139,060.50/x
3. Step 3: Cross multiply
   65,262.75x = 139,060.50 × 139,060.50
4. Step 4: Simplify right side
   65,262.75x = 19,337,822,660.25
5. Step 5: Solve for x
   x = 19,337,822,660.25/65,262.75
6. Step 6: Final answer
   x = 296,307.20