Finding the Third Proportional to 56,638.50 and 123,927

Step by Step Solution

1. Step 1: Write the proportion equation
   56,638.50 : 123,927 = 123,927 : x
2. Step 2: Convert to fraction form
   56,638.50/123,927 = 123,927/x
3. Step 3: Cross multiply
   56,638.50x = 123,927 × 123,927
4. Step 4: Simplify right side
   56,638.50x = 15,357,901,329
5. Step 5: Solve for x
   x = 15,357,901,329/56,638.50
6. Step 6: Final answer
   x = 271,156.57