Finding the Third Proportional to 112,865 and 245,171

Step by Step Solution

1. Step 1: Write the proportion equation
   112,865 : 245,171 = 245,171 : x
2. Step 2: Convert to fraction form
   112,865/245,171 = 245,171/x
3. Step 3: Cross multiply
   112,865x = 245,171 × 245,171
4. Step 4: Simplify right side
   112,865x = 60,108,819,241
5. Step 5: Solve for x
   x = 60,108,819,241/112,865
6. Step 6: Final answer
   x = 532,572.71