Finding the Third Proportional to 576,432 and 1,259,890

Step by Step Solution

1. Step 1: Write the proportion equation
   576,432 : 1,259,890 = 1,259,890 : x
2. Step 2: Convert to fraction form
   576,432/1,259,890 = 1,259,890/x
3. Step 3: Cross multiply
   576,432x = 1,259,890 × 1,259,890
4. Step 4: Simplify right side
   576,432x = 1,587,322,812,100
5. Step 5: Solve for x
   x = 1,587,322,812,100/576,432
6. Step 6: Final answer
   x = 2,753,703.49