Finding the Third Proportional to 1,071,021 and 2,318,370

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,021 : 2,318,370 = 2,318,370 : x
2. Step 2: Convert to fraction form
   1,071,021/2,318,370 = 2,318,370/x
3. Step 3: Cross multiply
   1,071,021x = 2,318,370 × 2,318,370
4. Step 4: Simplify right side
   1,071,021x = 5,374,839,456,900
5. Step 5: Solve for x
   x = 5,374,839,456,900/1,071,021
6. Step 6: Final answer
   x = 5,018,425.84