Finding the Third Proportional to 112,218 and 245,550

Step by Step Solution

1. Step 1: Write the proportion equation
   112,218 : 245,550 = 245,550 : x
2. Step 2: Convert to fraction form
   112,218/245,550 = 245,550/x
3. Step 3: Cross multiply
   112,218x = 245,550 × 245,550
4. Step 4: Simplify right side
   112,218x = 60,294,802,500
5. Step 5: Solve for x
   x = 60,294,802,500/112,218
6. Step 6: Final answer
   x = 537,300.63