Finding the Third Proportional to 81,904 and 123,248

Step by Step Solution

1. Step 1: Write the proportion equation
   81,904 : 123,248 = 123,248 : x
2. Step 2: Convert to fraction form
   81,904/123,248 = 123,248/x
3. Step 3: Cross multiply
   81,904x = 123,248 × 123,248
4. Step 4: Simplify right side
   81,904x = 15,190,069,504
5. Step 5: Solve for x
   x = 15,190,069,504/81,904
6. Step 6: Final answer
   x = 185,461.88