Finding the Third Proportional to 131,706 and 277,357.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,706 : 277,357.50 = 277,357.50 : x
2. Step 2: Convert to fraction form
   131,706/277,357.50 = 277,357.50/x
3. Step 3: Cross multiply
   131,706x = 277,357.50 × 277,357.50
4. Step 4: Simplify right side
   131,706x = 76,927,182,806.25
5. Step 5: Solve for x
   x = 76,927,182,806.25/131,706
6. Step 6: Final answer
   x = 584,082.60