Finding the Third Proportional to 123,992 and 190,200

Step by Step Solution

1. Step 1: Write the proportion equation
   123,992 : 190,200 = 190,200 : x
2. Step 2: Convert to fraction form
   123,992/190,200 = 190,200/x
3. Step 3: Cross multiply
   123,992x = 190,200 × 190,200
4. Step 4: Simplify right side
   123,992x = 36,176,040,000
5. Step 5: Solve for x
   x = 36,176,040,000/123,992
6. Step 6: Final answer
   x = 291,761.08