Finding the Third Proportional to 1,017,021 and 1,381,230

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017,021 : 1,381,230 = 1,381,230 : x
2. Step 2: Convert to fraction form
   1,017,021/1,381,230 = 1,381,230/x
3. Step 3: Cross multiply
   1,017,021x = 1,381,230 × 1,381,230
4. Step 4: Simplify right side
   1,017,021x = 1,907,796,312,900
5. Step 5: Solve for x
   x = 1,907,796,312,900/1,017,021
6. Step 6: Final answer
   x = 1,875,867.18