Finding the Third Proportional to 1,289,153 and 2,684,166

Step by Step Solution

1. Step 1: Write the proportion equation
   1,289,153 : 2,684,166 = 2,684,166 : x
2. Step 2: Convert to fraction form
   1,289,153/2,684,166 = 2,684,166/x
3. Step 3: Cross multiply
   1,289,153x = 2,684,166 × 2,684,166
4. Step 4: Simplify right side
   1,289,153x = 7,204,747,115,556
5. Step 5: Solve for x
   x = 7,204,747,115,556/1,289,153
6. Step 6: Final answer
   x = 5,588,744.79