Finding the Third Proportional to 112,845 and 245,131

Step by Step Solution

1. Step 1: Write the proportion equation
   112,845 : 245,131 = 245,131 : x
2. Step 2: Convert to fraction form
   112,845/245,131 = 245,131/x
3. Step 3: Cross multiply
   112,845x = 245,131 × 245,131
4. Step 4: Simplify right side
   112,845x = 60,089,207,161
5. Step 5: Solve for x
   x = 60,089,207,161/112,845
6. Step 6: Final answer
   x = 532,493.31