Finding the Third Proportional to 112,635 and 242,658

Step by Step Solution

1. Step 1: Write the proportion equation
   112,635 : 242,658 = 242,658 : x
2. Step 2: Convert to fraction form
   112,635/242,658 = 242,658/x
3. Step 3: Cross multiply
   112,635x = 242,658 × 242,658
4. Step 4: Simplify right side
   112,635x = 58,882,904,964
5. Step 5: Solve for x
   x = 58,882,904,964/112,635
6. Step 6: Final answer
   x = 522,776.27