Finding the Third Proportional to 483,138 and 1,028,646

Step by Step Solution

1. Step 1: Write the proportion equation
   483,138 : 1,028,646 = 1,028,646 : x
2. Step 2: Convert to fraction form
   483,138/1,028,646 = 1,028,646/x
3. Step 3: Cross multiply
   483,138x = 1,028,646 × 1,028,646
4. Step 4: Simplify right side
   483,138x = 1,058,112,593,316
5. Step 5: Solve for x
   x = 1,058,112,593,316/483,138
6. Step 6: Final answer
   x = 2,190,083.56