Finding the Third Proportional to 574,519 and 805,066

Step by Step Solution

1. Step 1: Write the proportion equation
   574,519 : 805,066 = 805,066 : x
2. Step 2: Convert to fraction form
   574,519/805,066 = 805,066/x
3. Step 3: Cross multiply
   574,519x = 805,066 × 805,066
4. Step 4: Simplify right side
   574,519x = 648,131,264,356
5. Step 5: Solve for x
   x = 648,131,264,356/574,519
6. Step 6: Final answer
   x = 1,128,128.51