Finding the Third Proportional to 1,089,648 and 2,310,352

Step by Step Solution

1. Step 1: Write the proportion equation
   1,089,648 : 2,310,352 = 2,310,352 : x
2. Step 2: Convert to fraction form
   1,089,648/2,310,352 = 2,310,352/x
3. Step 3: Cross multiply
   1,089,648x = 2,310,352 × 2,310,352
4. Step 4: Simplify right side
   1,089,648x = 5,337,726,363,904
5. Step 5: Solve for x
   x = 5,337,726,363,904/1,089,648
6. Step 6: Final answer
   x = 4,898,578.59