Finding the Third Proportional to 368,749.50 and 804,243

Step by Step Solution

1. Step 1: Write the proportion equation
   368,749.50 : 804,243 = 804,243 : x
2. Step 2: Convert to fraction form
   368,749.50/804,243 = 804,243/x
3. Step 3: Cross multiply
   368,749.50x = 804,243 × 804,243
4. Step 4: Simplify right side
   368,749.50x = 646,806,803,049
5. Step 5: Solve for x
   x = 646,806,803,049/368,749.50
6. Step 6: Final answer
   x = 1,754,054.73