Finding the Third Proportional to 978,178 and 1,503,718

Step by Step Solution

1. Step 1: Write the proportion equation
   978,178 : 1,503,718 = 1,503,718 : x
2. Step 2: Convert to fraction form
   978,178/1,503,718 = 1,503,718/x
3. Step 3: Cross multiply
   978,178x = 1,503,718 × 1,503,718
4. Step 4: Simplify right side
   978,178x = 2,261,167,823,524
5. Step 5: Solve for x
   x = 2,261,167,823,524/978,178
6. Step 6: Final answer
   x = 2,311,611.82