Finding the Third Proportional to 127,929 and 264,066

Step by Step Solution

1. Step 1: Write the proportion equation
   127,929 : 264,066 = 264,066 : x
2. Step 2: Convert to fraction form
   127,929/264,066 = 264,066/x
3. Step 3: Cross multiply
   127,929x = 264,066 × 264,066
4. Step 4: Simplify right side
   127,929x = 69,730,852,356
5. Step 5: Solve for x
   x = 69,730,852,356/127,929
6. Step 6: Final answer
   x = 545,074.63