Finding the Third Proportional to 130,773.50 and 277,240

Step by Step Solution

1. Step 1: Write the proportion equation
   130,773.50 : 277,240 = 277,240 : x
2. Step 2: Convert to fraction form
   130,773.50/277,240 = 277,240/x
3. Step 3: Cross multiply
   130,773.50x = 277,240 × 277,240
4. Step 4: Simplify right side
   130,773.50x = 76,862,017,600
5. Step 5: Solve for x
   x = 76,862,017,600/130,773.50
6. Step 6: Final answer
   x = 587,749.18