Finding the Third Proportional to 815,404 and 1,174,506

Step by Step Solution

1. Step 1: Write the proportion equation
   815,404 : 1,174,506 = 1,174,506 : x
2. Step 2: Convert to fraction form
   815,404/1,174,506 = 1,174,506/x
3. Step 3: Cross multiply
   815,404x = 1,174,506 × 1,174,506
4. Step 4: Simplify right side
   815,404x = 1,379,464,344,036
5. Step 5: Solve for x
   x = 1,379,464,344,036/815,404
6. Step 6: Final answer
   x = 1,691,755.67