Finding the Third Proportional to 978,174 and 1,503,711

Step by Step Solution

1. Step 1: Write the proportion equation
   978,174 : 1,503,711 = 1,503,711 : x
2. Step 2: Convert to fraction form
   978,174/1,503,711 = 1,503,711/x
3. Step 3: Cross multiply
   978,174x = 1,503,711 × 1,503,711
4. Step 4: Simplify right side
   978,174x = 2,261,146,771,521
5. Step 5: Solve for x
   x = 2,261,146,771,521/978,174
6. Step 6: Final answer
   x = 2,311,599.75