Finding the Third Proportional to 114,774 and 248,606

Step by Step Solution

1. Step 1: Write the proportion equation
   114,774 : 248,606 = 248,606 : x
2. Step 2: Convert to fraction form
   114,774/248,606 = 248,606/x
3. Step 3: Cross multiply
   114,774x = 248,606 × 248,606
4. Step 4: Simplify right side
   114,774x = 61,804,943,236
5. Step 5: Solve for x
   x = 61,804,943,236/114,774
6. Step 6: Final answer
   x = 538,492.54