Finding the Third Proportional to 365,428.50 and 804,666

Step by Step Solution

1. Step 1: Write the proportion equation
   365,428.50 : 804,666 = 804,666 : x
2. Step 2: Convert to fraction form
   365,428.50/804,666 = 804,666/x
3. Step 3: Cross multiply
   365,428.50x = 804,666 × 804,666
4. Step 4: Simplify right side
   365,428.50x = 647,487,371,556
5. Step 5: Solve for x
   x = 647,487,371,556/365,428.50
6. Step 6: Final answer
   x = 1,771,857.89