Finding the Third Proportional to 691,296 and 1,072,908

Step by Step Solution

1. Step 1: Write the proportion equation
   691,296 : 1,072,908 = 1,072,908 : x
2. Step 2: Convert to fraction form
   691,296/1,072,908 = 1,072,908/x
3. Step 3: Cross multiply
   691,296x = 1,072,908 × 1,072,908
4. Step 4: Simplify right side
   691,296x = 1,151,131,576,464
5. Step 5: Solve for x
   x = 1,151,131,576,464/691,296
6. Step 6: Final answer
   x = 1,665,178.99