Finding the Third Proportional to 139,114 and 299,822

Step by Step Solution

1. Step 1: Write the proportion equation
   139,114 : 299,822 = 299,822 : x
2. Step 2: Convert to fraction form
   139,114/299,822 = 299,822/x
3. Step 3: Cross multiply
   139,114x = 299,822 × 299,822
4. Step 4: Simplify right side
   139,114x = 89,893,231,684
5. Step 5: Solve for x
   x = 89,893,231,684/139,114
6. Step 6: Final answer
   x = 646,183.93