Finding the Third Proportional to 338,500 and 801,970

Step by Step Solution

1. Step 1: Write the proportion equation
   338,500 : 801,970 = 801,970 : x
2. Step 2: Convert to fraction form
   338,500/801,970 = 801,970/x
3. Step 3: Cross multiply
   338,500x = 801,970 × 801,970
4. Step 4: Simplify right side
   338,500x = 643,155,880,900
5. Step 5: Solve for x
   x = 643,155,880,900/338,500
6. Step 6: Final answer
   x = 1,900,017.37