Finding the Third Proportional to 858,146 and 1,849,190

Step by Step Solution

1. Step 1: Write the proportion equation
   858,146 : 1,849,190 = 1,849,190 : x
2. Step 2: Convert to fraction form
   858,146/1,849,190 = 1,849,190/x
3. Step 3: Cross multiply
   858,146x = 1,849,190 × 1,849,190
4. Step 4: Simplify right side
   858,146x = 3,419,503,656,100
5. Step 5: Solve for x
   x = 3,419,503,656,100/858,146
6. Step 6: Final answer
   x = 3,984,757.44