Finding the Third Proportional to 134,069.63 and 277,419

Step by Step Solution

1. Step 1: Write the proportion equation
   134,069.63 : 277,419 = 277,419 : x
2. Step 2: Convert to fraction form
   134,069.63/277,419 = 277,419/x
3. Step 3: Cross multiply
   134,069.63x = 277,419 × 277,419
4. Step 4: Simplify right side
   134,069.63x = 76,961,301,561
5. Step 5: Solve for x
   x = 76,961,301,561/134,069.63
6. Step 6: Final answer
   x = 574,039.81