Finding the Third Proportional to 139,244 and 294,364

Step by Step Solution

1. Step 1: Write the proportion equation
   139,244 : 294,364 = 294,364 : x
2. Step 2: Convert to fraction form
   139,244/294,364 = 294,364/x
3. Step 3: Cross multiply
   139,244x = 294,364 × 294,364
4. Step 4: Simplify right side
   139,244x = 86,650,164,496
5. Step 5: Solve for x
   x = 86,650,164,496/139,244
6. Step 6: Final answer
   x = 622,290.11