Finding the Third Proportional to 858,130 and 1,849,155

Step by Step Solution

1. Step 1: Write the proportion equation
   858,130 : 1,849,155 = 1,849,155 : x
2. Step 2: Convert to fraction form
   858,130/1,849,155 = 1,849,155/x
3. Step 3: Cross multiply
   858,130x = 1,849,155 × 1,849,155
4. Step 4: Simplify right side
   858,130x = 3,419,374,214,025
5. Step 5: Solve for x
   x = 3,419,374,214,025/858,130
6. Step 6: Final answer
   x = 3,984,680.89