Finding the Third Proportional to 1,028,376 and 2,106,864

Step by Step Solution

1. Step 1: Write the proportion equation
   1,028,376 : 2,106,864 = 2,106,864 : x
2. Step 2: Convert to fraction form
   1,028,376/2,106,864 = 2,106,864/x
3. Step 3: Cross multiply
   1,028,376x = 2,106,864 × 2,106,864
4. Step 4: Simplify right side
   1,028,376x = 4,438,875,914,496
5. Step 5: Solve for x
   x = 4,438,875,914,496/1,028,376
6. Step 6: Final answer
   x = 4,316,393.92