Finding the Third Proportional to 123,154 and 264,726

Step by Step Solution

1. Step 1: Write the proportion equation
   123,154 : 264,726 = 264,726 : x
2. Step 2: Convert to fraction form
   123,154/264,726 = 264,726/x
3. Step 3: Cross multiply
   123,154x = 264,726 × 264,726
4. Step 4: Simplify right side
   123,154x = 70,079,855,076
5. Step 5: Solve for x
   x = 70,079,855,076/123,154
6. Step 6: Final answer
   x = 569,042.46