Finding the Third Proportional to 139,345 and 301,046

Step by Step Solution

1. Step 1: Write the proportion equation
   139,345 : 301,046 = 301,046 : x
2. Step 2: Convert to fraction form
   139,345/301,046 = 301,046/x
3. Step 3: Cross multiply
   139,345x = 301,046 × 301,046
4. Step 4: Simplify right side
   139,345x = 90,628,694,116
5. Step 5: Solve for x
   x = 90,628,694,116/139,345
6. Step 6: Final answer
   x = 650,390.71