Finding the Third Proportional to 112,003 and 234,378

Step by Step Solution

1. Step 1: Write the proportion equation
   112,003 : 234,378 = 234,378 : x
2. Step 2: Convert to fraction form
   112,003/234,378 = 234,378/x
3. Step 3: Cross multiply
   112,003x = 234,378 × 234,378
4. Step 4: Simplify right side
   112,003x = 54,933,046,884
5. Step 5: Solve for x
   x = 54,933,046,884/112,003
6. Step 6: Final answer
   x = 490,460.50