Finding the Third Proportional to 188,031.75 and 397,002

Step by Step Solution

1. Step 1: Write the proportion equation
   188,031.75 : 397,002 = 397,002 : x
2. Step 2: Convert to fraction form
   188,031.75/397,002 = 397,002/x
3. Step 3: Cross multiply
   188,031.75x = 397,002 × 397,002
4. Step 4: Simplify right side
   188,031.75x = 157,610,588,004
5. Step 5: Solve for x
   x = 157,610,588,004/188,031.75
6. Step 6: Final answer
   x = 838,212.63