Finding the Third Proportional to 112,222.50 and 245,559

Step by Step Solution

1. Step 1: Write the proportion equation
   112,222.50 : 245,559 = 245,559 : x
2. Step 2: Convert to fraction form
   112,222.50/245,559 = 245,559/x
3. Step 3: Cross multiply
   112,222.50x = 245,559 × 245,559
4. Step 4: Simplify right side
   112,222.50x = 60,299,222,481
5. Step 5: Solve for x
   x = 60,299,222,481/112,222.50
6. Step 6: Final answer
   x = 537,318.47