Finding the Third Proportional to 56,088 and 123,561

Step by Step Solution

1. Step 1: Write the proportion equation
   56,088 : 123,561 = 123,561 : x
2. Step 2: Convert to fraction form
   56,088/123,561 = 123,561/x
3. Step 3: Cross multiply
   56,088x = 123,561 × 123,561
4. Step 4: Simplify right side
   56,088x = 15,267,320,721
5. Step 5: Solve for x
   x = 15,267,320,721/56,088
6. Step 6: Final answer
   x = 272,202.98