Finding the Third Proportional to 139,772 and 301,672

Step by Step Solution

1. Step 1: Write the proportion equation
   139,772 : 301,672 = 301,672 : x
2. Step 2: Convert to fraction form
   139,772/301,672 = 301,672/x
3. Step 3: Cross multiply
   139,772x = 301,672 × 301,672
4. Step 4: Simplify right side
   139,772x = 91,005,995,584
5. Step 5: Solve for x
   x = 91,005,995,584/139,772
6. Step 6: Final answer
   x = 651,103.19