Finding the Third Proportional to 129,179.25 and 277,047

Step by Step Solution

1. Step 1: Write the proportion equation
   129,179.25 : 277,047 = 277,047 : x
2. Step 2: Convert to fraction form
   129,179.25/277,047 = 277,047/x
3. Step 3: Cross multiply
   129,179.25x = 277,047 × 277,047
4. Step 4: Simplify right side
   129,179.25x = 76,755,040,209
5. Step 5: Solve for x
   x = 76,755,040,209/129,179.25
6. Step 6: Final answer
   x = 594,174.69