Finding the Third Proportional to 1,021,903 and 2,149,668

Step by Step Solution

1. Step 1: Write the proportion equation
   1,021,903 : 2,149,668 = 2,149,668 : x
2. Step 2: Convert to fraction form
   1,021,903/2,149,668 = 2,149,668/x
3. Step 3: Cross multiply
   1,021,903x = 2,149,668 × 2,149,668
4. Step 4: Simplify right side
   1,021,903x = 4,621,072,510,224
5. Step 5: Solve for x
   x = 4,621,072,510,224/1,021,903
6. Step 6: Final answer
   x = 4,522,026.56