Finding the Third Proportional to 1,038,328 and 1,518,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,038,328 : 1,518,072 = 1,518,072 : x
2. Step 2: Convert to fraction form
   1,038,328/1,518,072 = 1,518,072/x
3. Step 3: Cross multiply
   1,038,328x = 1,518,072 × 1,518,072
4. Step 4: Simplify right side
   1,038,328x = 2,304,542,597,184
5. Step 5: Solve for x
   x = 2,304,542,597,184/1,038,328
6. Step 6: Final answer
   x = 2,219,474.58