Finding the Third Proportional to 374,688 and 562,040

Step by Step Solution

1. Step 1: Write the proportion equation
   374,688 : 562,040 = 562,040 : x
2. Step 2: Convert to fraction form
   374,688/562,040 = 562,040/x
3. Step 3: Cross multiply
   374,688x = 562,040 × 562,040
4. Step 4: Simplify right side
   374,688x = 315,888,961,600
5. Step 5: Solve for x
   x = 315,888,961,600/374,688
6. Step 6: Final answer
   x = 843,072.00