Finding the Third Proportional to 111,492 and 238,248

Step by Step Solution

1. Step 1: Write the proportion equation
   111,492 : 238,248 = 238,248 : x
2. Step 2: Convert to fraction form
   111,492/238,248 = 238,248/x
3. Step 3: Cross multiply
   111,492x = 238,248 × 238,248
4. Step 4: Simplify right side
   111,492x = 56,762,109,504
5. Step 5: Solve for x
   x = 56,762,109,504/111,492
6. Step 6: Final answer
   x = 509,113.74