Finding the Third Proportional to 787,012 and 1,739,420

Step by Step Solution

1. Step 1: Write the proportion equation
   787,012 : 1,739,420 = 1,739,420 : x
2. Step 2: Convert to fraction form
   787,012/1,739,420 = 1,739,420/x
3. Step 3: Cross multiply
   787,012x = 1,739,420 × 1,739,420
4. Step 4: Simplify right side
   787,012x = 3,025,581,936,400
5. Step 5: Solve for x
   x = 3,025,581,936,400/787,012
6. Step 6: Final answer
   x = 3,844,391.11