Finding the Third Proportional to 1,005,410 and 2,154,742

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,410 : 2,154,742 = 2,154,742 : x
2. Step 2: Convert to fraction form
   1,005,410/2,154,742 = 2,154,742/x
3. Step 3: Cross multiply
   1,005,410x = 2,154,742 × 2,154,742
4. Step 4: Simplify right side
   1,005,410x = 4,642,913,086,564
5. Step 5: Solve for x
   x = 4,642,913,086,564/1,005,410
6. Step 6: Final answer
   x = 4,617,930.08