Finding the Third Proportional to 1,021,903 and 2,149,670

Step by Step Solution

1. Step 1: Write the proportion equation
   1,021,903 : 2,149,670 = 2,149,670 : x
2. Step 2: Convert to fraction form
   1,021,903/2,149,670 = 2,149,670/x
3. Step 3: Cross multiply
   1,021,903x = 2,149,670 × 2,149,670
4. Step 4: Simplify right side
   1,021,903x = 4,621,081,108,900
5. Step 5: Solve for x
   x = 4,621,081,108,900/1,021,903
6. Step 6: Final answer
   x = 4,522,034.98