Finding the Third Proportional to 325,320 and 692,112

Step by Step Solution

1. Step 1: Write the proportion equation
   325,320 : 692,112 = 692,112 : x
2. Step 2: Convert to fraction form
   325,320/692,112 = 692,112/x
3. Step 3: Cross multiply
   325,320x = 692,112 × 692,112
4. Step 4: Simplify right side
   325,320x = 479,019,020,544
5. Step 5: Solve for x
   x = 479,019,020,544/325,320
6. Step 6: Final answer
   x = 1,472,454.88