Finding the Third Proportional to 769,656 and 1,781,556

Step by Step Solution

1. Step 1: Write the proportion equation
   769,656 : 1,781,556 = 1,781,556 : x
2. Step 2: Convert to fraction form
   769,656/1,781,556 = 1,781,556/x
3. Step 3: Cross multiply
   769,656x = 1,781,556 × 1,781,556
4. Step 4: Simplify right side
   769,656x = 3,173,941,781,136
5. Step 5: Solve for x
   x = 3,173,941,781,136/769,656
6. Step 6: Final answer
   x = 4,123,844.65