Finding the Third Proportional to 259,308 and 562,878

Step by Step Solution

1. Step 1: Write the proportion equation
   259,308 : 562,878 = 562,878 : x
2. Step 2: Convert to fraction form
   259,308/562,878 = 562,878/x
3. Step 3: Cross multiply
   259,308x = 562,878 × 562,878
4. Step 4: Simplify right side
   259,308x = 316,831,642,884
5. Step 5: Solve for x
   x = 316,831,642,884/259,308
6. Step 6: Final answer
   x = 1,221,835.20