Finding the Third Proportional to 1,018,140 and 2,106,742

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,140 : 2,106,742 = 2,106,742 : x
2. Step 2: Convert to fraction form
   1,018,140/2,106,742 = 2,106,742/x
3. Step 3: Cross multiply
   1,018,140x = 2,106,742 × 2,106,742
4. Step 4: Simplify right side
   1,018,140x = 4,438,361,854,564
5. Step 5: Solve for x
   x = 4,438,361,854,564/1,018,140
6. Step 6: Final answer
   x = 4,359,284.43