Finding the Third Proportional to 139,548 and 293,920

Step by Step Solution

1. Step 1: Write the proportion equation
   139,548 : 293,920 = 293,920 : x
2. Step 2: Convert to fraction form
   139,548/293,920 = 293,920/x
3. Step 3: Cross multiply
   139,548x = 293,920 × 293,920
4. Step 4: Simplify right side
   139,548x = 86,388,966,400
5. Step 5: Solve for x
   x = 86,388,966,400/139,548
6. Step 6: Final answer
   x = 619,062.73