Finding the Third Proportional to 53,322 and 123,444

Step by Step Solution

1. Step 1: Write the proportion equation
   53,322 : 123,444 = 123,444 : x
2. Step 2: Convert to fraction form
   53,322/123,444 = 123,444/x
3. Step 3: Cross multiply
   53,322x = 123,444 × 123,444
4. Step 4: Simplify right side
   53,322x = 15,238,421,136
5. Step 5: Solve for x
   x = 15,238,421,136/53,322
6. Step 6: Final answer
   x = 285,781.12