Finding the Third Proportional to 389,260 and 844,980.50

Step by Step Solution

1. Step 1: Write the proportion equation
   389,260 : 844,980.50 = 844,980.50 : x
2. Step 2: Convert to fraction form
   389,260/844,980.50 = 844,980.50/x
3. Step 3: Cross multiply
   389,260x = 844,980.50 × 844,980.50
4. Step 4: Simplify right side
   389,260x = 713,992,045,380.25
5. Step 5: Solve for x
   x = 713,992,045,380.25/389,260
6. Step 6: Final answer
   x = 1,834,229.17