Finding the Third Proportional to 816,588 and 1,201,554

Step by Step Solution

1. Step 1: Write the proportion equation
   816,588 : 1,201,554 = 1,201,554 : x
2. Step 2: Convert to fraction form
   816,588/1,201,554 = 1,201,554/x
3. Step 3: Cross multiply
   816,588x = 1,201,554 × 1,201,554
4. Step 4: Simplify right side
   816,588x = 1,443,732,014,916
5. Step 5: Solve for x
   x = 1,443,732,014,916/816,588
6. Step 6: Final answer
   x = 1,768,005.43