Finding the Third Proportional to 139,312 and 301,952

Step by Step Solution

1. Step 1: Write the proportion equation
   139,312 : 301,952 = 301,952 : x
2. Step 2: Convert to fraction form
   139,312/301,952 = 301,952/x
3. Step 3: Cross multiply
   139,312x = 301,952 × 301,952
4. Step 4: Simplify right side
   139,312x = 91,175,010,304
5. Step 5: Solve for x
   x = 91,175,010,304/139,312
6. Step 6: Final answer
   x = 654,466.31