Finding the Third Proportional to 56,669 and 123,513

Step by Step Solution

1. Step 1: Write the proportion equation
   56,669 : 123,513 = 123,513 : x
2. Step 2: Convert to fraction form
   56,669/123,513 = 123,513/x
3. Step 3: Cross multiply
   56,669x = 123,513 × 123,513
4. Step 4: Simplify right side
   56,669x = 15,255,461,169
5. Step 5: Solve for x
   x = 15,255,461,169/56,669
6. Step 6: Final answer
   x = 269,202.94