Finding the Third Proportional to 139,770 and 301,671

Step by Step Solution

1. Step 1: Write the proportion equation
   139,770 : 301,671 = 301,671 : x
2. Step 2: Convert to fraction form
   139,770/301,671 = 301,671/x
3. Step 3: Cross multiply
   139,770x = 301,671 × 301,671
4. Step 4: Simplify right side
   139,770x = 91,005,392,241
5. Step 5: Solve for x
   x = 91,005,392,241/139,770
6. Step 6: Final answer
   x = 651,108.19