Finding the Third Proportional to 355,971 and 550,996.50

Step by Step Solution

1. Step 1: Write the proportion equation
   355,971 : 550,996.50 = 550,996.50 : x
2. Step 2: Convert to fraction form
   355,971/550,996.50 = 550,996.50/x
3. Step 3: Cross multiply
   355,971x = 550,996.50 × 550,996.50
4. Step 4: Simplify right side
   355,971x = 303,597,143,012.25
5. Step 5: Solve for x
   x = 303,597,143,012.25/355,971
6. Step 6: Final answer
   x = 852,870.44