Finding the Third Proportional to 112,743 and 242,928

Step by Step Solution

1. Step 1: Write the proportion equation
   112,743 : 242,928 = 242,928 : x
2. Step 2: Convert to fraction form
   112,743/242,928 = 242,928/x
3. Step 3: Cross multiply
   112,743x = 242,928 × 242,928
4. Step 4: Simplify right side
   112,743x = 59,014,013,184
5. Step 5: Solve for x
   x = 59,014,013,184/112,743
6. Step 6: Final answer
   x = 523,438.38