Finding the Third Proportional to 1,038,318 and 1,518,057

Step by Step Solution

1. Step 1: Write the proportion equation
   1,038,318 : 1,518,057 = 1,518,057 : x
2. Step 2: Convert to fraction form
   1,038,318/1,518,057 = 1,518,057/x
3. Step 3: Cross multiply
   1,038,318x = 1,518,057 × 1,518,057
4. Step 4: Simplify right side
   1,038,318x = 2,304,497,055,249
5. Step 5: Solve for x
   x = 2,304,497,055,249/1,038,318
6. Step 6: Final answer
   x = 2,219,452.09