Finding the Third Proportional to 57,491.25 and 123,726

Step by Step Solution

1. Step 1: Write the proportion equation
   57,491.25 : 123,726 = 123,726 : x
2. Step 2: Convert to fraction form
   57,491.25/123,726 = 123,726/x
3. Step 3: Cross multiply
   57,491.25x = 123,726 × 123,726
4. Step 4: Simplify right side
   57,491.25x = 15,308,123,076
5. Step 5: Solve for x
   x = 15,308,123,076/57,491.25
6. Step 6: Final answer
   x = 266,268.75