Finding the Third Proportional to 785,434 and 1,209,042

Step by Step Solution

1. Step 1: Write the proportion equation
   785,434 : 1,209,042 = 1,209,042 : x
2. Step 2: Convert to fraction form
   785,434/1,209,042 = 1,209,042/x
3. Step 3: Cross multiply
   785,434x = 1,209,042 × 1,209,042
4. Step 4: Simplify right side
   785,434x = 1,461,782,557,764
5. Step 5: Solve for x
   x = 1,461,782,557,764/785,434
6. Step 6: Final answer
   x = 1,861,114.44