Finding the Third Proportional to 388,870.03 and 804,713.06

Step by Step Solution

1. Step 1: Write the proportion equation
   388,870.03 : 804,713.06 = 804,713.06 : x
2. Step 2: Convert to fraction form
   388,870.03/804,713.06 = 804,713.06/x
3. Step 3: Cross multiply
   388,870.03x = 804,713.06 × 804,713.06
4. Step 4: Simplify right side
   388,870.03x = 647,563,112,958.13
5. Step 5: Solve for x
   x = 647,563,112,958.13/388,870.03
6. Step 6: Final answer
   x = 1,665,243.04