Finding the Third Proportional to 112,028 and 234,442

Step by Step Solution

1. Step 1: Write the proportion equation
   112,028 : 234,442 = 234,442 : x
2. Step 2: Convert to fraction form
   112,028/234,442 = 234,442/x
3. Step 3: Cross multiply
   112,028x = 234,442 × 234,442
4. Step 4: Simplify right side
   112,028x = 54,963,051,364
5. Step 5: Solve for x
   x = 54,963,051,364/112,028
6. Step 6: Final answer
   x = 490,618.88