Finding the Third Proportional to 787,075 and 1,215,398

Step by Step Solution

1. Step 1: Write the proportion equation
   787,075 : 1,215,398 = 1,215,398 : x
2. Step 2: Convert to fraction form
   787,075/1,215,398 = 1,215,398/x
3. Step 3: Cross multiply
   787,075x = 1,215,398 × 1,215,398
4. Step 4: Simplify right side
   787,075x = 1,477,192,298,404
5. Step 5: Solve for x
   x = 1,477,192,298,404/787,075
6. Step 6: Final answer
   x = 1,876,812.63