Finding the Third Proportional to 815,436 and 1,174,554

Step by Step Solution

1. Step 1: Write the proportion equation
   815,436 : 1,174,554 = 1,174,554 : x
2. Step 2: Convert to fraction form
   815,436/1,174,554 = 1,174,554/x
3. Step 3: Cross multiply
   815,436x = 1,174,554 × 1,174,554
4. Step 4: Simplify right side
   815,436x = 1,379,577,098,916
5. Step 5: Solve for x
   x = 1,379,577,098,916/815,436
6. Step 6: Final answer
   x = 1,691,827.56