Finding the Third Proportional to 139,020 and 282,952

Step by Step Solution

1. Step 1: Write the proportion equation
   139,020 : 282,952 = 282,952 : x
2. Step 2: Convert to fraction form
   139,020/282,952 = 282,952/x
3. Step 3: Cross multiply
   139,020x = 282,952 × 282,952
4. Step 4: Simplify right side
   139,020x = 80,061,834,304
5. Step 5: Solve for x
   x = 80,061,834,304/139,020
6. Step 6: Final answer
   x = 575,901.56