Finding the Third Proportional to 188,184 and 402,616

Step by Step Solution

1. Step 1: Write the proportion equation
   188,184 : 402,616 = 402,616 : x
2. Step 2: Convert to fraction form
   188,184/402,616 = 402,616/x
3. Step 3: Cross multiply
   188,184x = 402,616 × 402,616
4. Step 4: Simplify right side
   188,184x = 162,099,643,456
5. Step 5: Solve for x
   x = 162,099,643,456/188,184
6. Step 6: Final answer
   x = 861,389.08