Finding the Third Proportional to 112,930 and 238,388

Step by Step Solution

1. Step 1: Write the proportion equation
   112,930 : 238,388 = 238,388 : x
2. Step 2: Convert to fraction form
   112,930/238,388 = 238,388/x
3. Step 3: Cross multiply
   112,930x = 238,388 × 238,388
4. Step 4: Simplify right side
   112,930x = 56,828,838,544
5. Step 5: Solve for x
   x = 56,828,838,544/112,930
6. Step 6: Final answer
   x = 503,221.81