Finding the Third Proportional to 65,203.50 and 139,019.63

Step by Step Solution

1. Step 1: Write the proportion equation
   65,203.50 : 139,019.63 = 139,019.63 : x
2. Step 2: Convert to fraction form
   65,203.50/139,019.63 = 139,019.63/x
3. Step 3: Cross multiply
   65,203.50x = 139,019.63 × 139,019.63
4. Step 4: Simplify right side
   65,203.50x = 19,326,456,135.14
5. Step 5: Solve for x
   x = 19,326,456,135.14/65,203.50
6. Step 6: Final answer
   x = 296,402.13