Finding the Third Proportional to 408,300.75 and 931,338

Step by Step Solution

1. Step 1: Write the proportion equation
   408,300.75 : 931,338 = 931,338 : x
2. Step 2: Convert to fraction form
   408,300.75/931,338 = 931,338/x
3. Step 3: Cross multiply
   408,300.75x = 931,338 × 931,338
4. Step 4: Simplify right side
   408,300.75x = 867,390,470,244
5. Step 5: Solve for x
   x = 867,390,470,244/408,300.75
6. Step 6: Final answer
   x = 2,124,391.08