Finding the Third Proportional to 1,053,678 and 2,267,166

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053,678 : 2,267,166 = 2,267,166 : x
2. Step 2: Convert to fraction form
   1,053,678/2,267,166 = 2,267,166/x
3. Step 3: Cross multiply
   1,053,678x = 2,267,166 × 2,267,166
4. Step 4: Simplify right side
   1,053,678x = 5,140,041,671,556
5. Step 5: Solve for x
   x = 5,140,041,671,556/1,053,678
6. Step 6: Final answer
   x = 4,878,190.18