Finding the Third Proportional to 789,210 and 1,739,286

Step by Step Solution

1. Step 1: Write the proportion equation
   789,210 : 1,739,286 = 1,739,286 : x
2. Step 2: Convert to fraction form
   789,210/1,739,286 = 1,739,286/x
3. Step 3: Cross multiply
   789,210x = 1,739,286 × 1,739,286
4. Step 4: Simplify right side
   789,210x = 3,025,115,789,796
5. Step 5: Solve for x
   x = 3,025,115,789,796/789,210
6. Step 6: Final answer
   x = 3,833,093.59