Finding the Third Proportional to 1,200,625 and 2,135,042

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,625 : 2,135,042 = 2,135,042 : x
2. Step 2: Convert to fraction form
   1,200,625/2,135,042 = 2,135,042/x
3. Step 3: Cross multiply
   1,200,625x = 2,135,042 × 2,135,042
4. Step 4: Simplify right side
   1,200,625x = 4,558,404,341,764
5. Step 5: Solve for x
   x = 4,558,404,341,764/1,200,625
6. Step 6: Final answer
   x = 3,796,692.84