Finding the Third Proportional to 188,479.50 and 406,482

Step by Step Solution

1. Step 1: Write the proportion equation
   188,479.50 : 406,482 = 406,482 : x
2. Step 2: Convert to fraction form
   188,479.50/406,482 = 406,482/x
3. Step 3: Cross multiply
   188,479.50x = 406,482 × 406,482
4. Step 4: Simplify right side
   188,479.50x = 165,227,616,324
5. Step 5: Solve for x
   x = 165,227,616,324/188,479.50
6. Step 6: Final answer
   x = 876,634.42