Finding the Third Proportional to 360,703 and 562,890

Step by Step Solution

1. Step 1: Write the proportion equation
   360,703 : 562,890 = 562,890 : x
2. Step 2: Convert to fraction form
   360,703/562,890 = 562,890/x
3. Step 3: Cross multiply
   360,703x = 562,890 × 562,890
4. Step 4: Simplify right side
   360,703x = 316,845,152,100
5. Step 5: Solve for x
   x = 316,845,152,100/360,703
6. Step 6: Final answer
   x = 878,410.08