Finding the Third Proportional to 112,820 and 245,884

Step by Step Solution

1. Step 1: Write the proportion equation
   112,820 : 245,884 = 245,884 : x
2. Step 2: Convert to fraction form
   112,820/245,884 = 245,884/x
3. Step 3: Cross multiply
   112,820x = 245,884 × 245,884
4. Step 4: Simplify right side
   112,820x = 60,458,941,456
5. Step 5: Solve for x
   x = 60,458,941,456/112,820
6. Step 6: Final answer
   x = 535,888.51