Finding the Third Proportional to 139,848 and 301,809

Step by Step Solution

1. Step 1: Write the proportion equation
   139,848 : 301,809 = 301,809 : x
2. Step 2: Convert to fraction form
   139,848/301,809 = 301,809/x
3. Step 3: Cross multiply
   139,848x = 301,809 × 301,809
4. Step 4: Simplify right side
   139,848x = 91,088,672,481
5. Step 5: Solve for x
   x = 91,088,672,481/139,848
6. Step 6: Final answer
   x = 651,340.54