Finding the Third Proportional to 259,274 and 562,810

Step by Step Solution

1. Step 1: Write the proportion equation
   259,274 : 562,810 = 562,810 : x
2. Step 2: Convert to fraction form
   259,274/562,810 = 562,810/x
3. Step 3: Cross multiply
   259,274x = 562,810 × 562,810
4. Step 4: Simplify right side
   259,274x = 316,755,096,100
5. Step 5: Solve for x
   x = 316,755,096,100/259,274
6. Step 6: Final answer
   x = 1,221,700.19