Finding the Third Proportional to 57,386.92 and 123,066.21

Step by Step Solution

1. Step 1: Write the proportion equation
   57,386.92 : 123,066.21 = 123,066.21 : x
2. Step 2: Convert to fraction form
   57,386.92/123,066.21 = 123,066.21/x
3. Step 3: Cross multiply
   57,386.92x = 123,066.21 × 123,066.21
4. Step 4: Simplify right side
   57,386.92x = 15,145,292,274.51
5. Step 5: Solve for x
   x = 15,145,292,274.51/57,386.92
6. Step 6: Final answer
   x = 263,915.42