Finding the Third Proportional to 367,114 and 753,990

Step by Step Solution

1. Step 1: Write the proportion equation
   367,114 : 753,990 = 753,990 : x
2. Step 2: Convert to fraction form
   367,114/753,990 = 753,990/x
3. Step 3: Cross multiply
   367,114x = 753,990 × 753,990
4. Step 4: Simplify right side
   367,114x = 568,500,920,100
5. Step 5: Solve for x
   x = 568,500,920,100/367,114
6. Step 6: Final answer
   x = 1,548,567.80