Finding the Third Proportional to 139,361.63 and 205,761.94

Step by Step Solution

1. Step 1: Write the proportion equation
   139,361.63 : 205,761.94 = 205,761.94 : x
2. Step 2: Convert to fraction form
   139,361.63/205,761.94 = 205,761.94/x
3. Step 3: Cross multiply
   139,361.63x = 205,761.94 × 205,761.94
4. Step 4: Simplify right side
   139,361.63x = 42,337,974,923.75
5. Step 5: Solve for x
   x = 42,337,974,923.75/139,361.63
6. Step 6: Final answer
   x = 303,799.38