Finding the Third Proportional to 139,860 and 304,614

Step by Step Solution

1. Step 1: Write the proportion equation
   139,860 : 304,614 = 304,614 : x
2. Step 2: Convert to fraction form
   139,860/304,614 = 304,614/x
3. Step 3: Cross multiply
   139,860x = 304,614 × 304,614
4. Step 4: Simplify right side
   139,860x = 92,789,688,996
5. Step 5: Solve for x
   x = 92,789,688,996/139,860
6. Step 6: Final answer
   x = 663,446.94