Finding the Third Proportional to 112,712 and 238,000

Step by Step Solution

1. Step 1: Write the proportion equation
   112,712 : 238,000 = 238,000 : x
2. Step 2: Convert to fraction form
   112,712/238,000 = 238,000/x
3. Step 3: Cross multiply
   112,712x = 238,000 × 238,000
4. Step 4: Simplify right side
   112,712x = 56,644,000,000
5. Step 5: Solve for x
   x = 56,644,000,000/112,712
6. Step 6: Final answer
   x = 502,555.18