Finding the Third Proportional to 191,504 and 406,048

Step by Step Solution

1. Step 1: Write the proportion equation
   191,504 : 406,048 = 406,048 : x
2. Step 2: Convert to fraction form
   191,504/406,048 = 406,048/x
3. Step 3: Cross multiply
   191,504x = 406,048 × 406,048
4. Step 4: Simplify right side
   191,504x = 164,874,978,304
5. Step 5: Solve for x
   x = 164,874,978,304/191,504
6. Step 6: Final answer
   x = 860,947.96