Finding the Third Proportional to 112,851 and 245,140

Step by Step Solution

1. Step 1: Write the proportion equation
   112,851 : 245,140 = 245,140 : x
2. Step 2: Convert to fraction form
   112,851/245,140 = 245,140/x
3. Step 3: Cross multiply
   112,851x = 245,140 × 245,140
4. Step 4: Simplify right side
   112,851x = 60,093,619,600
5. Step 5: Solve for x
   x = 60,093,619,600/112,851
6. Step 6: Final answer
   x = 532,504.09