Finding the Third Proportional to 294,158 and 622,984

Step by Step Solution

1. Step 1: Write the proportion equation
   294,158 : 622,984 = 622,984 : x
2. Step 2: Convert to fraction form
   294,158/622,984 = 622,984/x
3. Step 3: Cross multiply
   294,158x = 622,984 × 622,984
4. Step 4: Simplify right side
   294,158x = 388,109,064,256
5. Step 5: Solve for x
   x = 388,109,064,256/294,158
6. Step 6: Final answer
   x = 1,319,389.80