Finding the Third Proportional to 1,057,310 and 2,286,658

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057,310 : 2,286,658 = 2,286,658 : x
2. Step 2: Convert to fraction form
   1,057,310/2,286,658 = 2,286,658/x
3. Step 3: Cross multiply
   1,057,310x = 2,286,658 × 2,286,658
4. Step 4: Simplify right side
   1,057,310x = 5,228,804,808,964
5. Step 5: Solve for x
   x = 5,228,804,808,964/1,057,310
6. Step 6: Final answer
   x = 4,945,384.81