Finding the Third Proportional to 56,754 and 123,453

Step by Step Solution

1. Step 1: Write the proportion equation
   56,754 : 123,453 = 123,453 : x
2. Step 2: Convert to fraction form
   56,754/123,453 = 123,453/x
3. Step 3: Cross multiply
   56,754x = 123,453 × 123,453
4. Step 4: Simplify right side
   56,754x = 15,240,643,209
5. Step 5: Solve for x
   x = 15,240,643,209/56,754
6. Step 6: Final answer
   x = 268,538.66