Finding the Third Proportional to 663,010 and 1,431,665

Step by Step Solution

1. Step 1: Write the proportion equation
   663,010 : 1,431,665 = 1,431,665 : x
2. Step 2: Convert to fraction form
   663,010/1,431,665 = 1,431,665/x
3. Step 3: Cross multiply
   663,010x = 1,431,665 × 1,431,665
4. Step 4: Simplify right side
   663,010x = 2,049,664,672,225
5. Step 5: Solve for x
   x = 2,049,664,672,225/663,010
6. Step 6: Final answer
   x = 3,091,453.63