Finding the Third Proportional to 112,310 and 242,116

Step by Step Solution

1. Step 1: Write the proportion equation
   112,310 : 242,116 = 242,116 : x
2. Step 2: Convert to fraction form
   112,310/242,116 = 242,116/x
3. Step 3: Cross multiply
   112,310x = 242,116 × 242,116
4. Step 4: Simplify right side
   112,310x = 58,620,157,456
5. Step 5: Solve for x
   x = 58,620,157,456/112,310
6. Step 6: Final answer
   x = 521,949.58