Finding the Third Proportional to 188,598 and 404,161.50

Step by Step Solution

1. Step 1: Write the proportion equation
   188,598 : 404,161.50 = 404,161.50 : x
2. Step 2: Convert to fraction form
   188,598/404,161.50 = 404,161.50/x
3. Step 3: Cross multiply
   188,598x = 404,161.50 × 404,161.50
4. Step 4: Simplify right side
   188,598x = 163,346,518,082.25
5. Step 5: Solve for x
   x = 163,346,518,082.25/188,598
6. Step 6: Final answer
   x = 866,109.49