Finding the Third Proportional to 139,730 and 301,694

Step by Step Solution

1. Step 1: Write the proportion equation
   139,730 : 301,694 = 301,694 : x
2. Step 2: Convert to fraction form
   139,730/301,694 = 301,694/x
3. Step 3: Cross multiply
   139,730x = 301,694 × 301,694
4. Step 4: Simplify right side
   139,730x = 91,019,269,636
5. Step 5: Solve for x
   x = 91,019,269,636/139,730
6. Step 6: Final answer
   x = 651,393.90