Finding the Third Proportional to 112,840 and 245,104

Step by Step Solution

1. Step 1: Write the proportion equation
   112,840 : 245,104 = 245,104 : x
2. Step 2: Convert to fraction form
   112,840/245,104 = 245,104/x
3. Step 3: Cross multiply
   112,840x = 245,104 × 245,104
4. Step 4: Simplify right side
   112,840x = 60,075,970,816
5. Step 5: Solve for x
   x = 60,075,970,816/112,840
6. Step 6: Final answer
   x = 532,399.60