Finding the Third Proportional to 131,566 and 276,885.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,566 : 276,885.50 = 276,885.50 : x
2. Step 2: Convert to fraction form
   131,566/276,885.50 = 276,885.50/x
3. Step 3: Cross multiply
   131,566x = 276,885.50 × 276,885.50
4. Step 4: Simplify right side
   131,566x = 76,665,580,110.25
5. Step 5: Solve for x
   x = 76,665,580,110.25/131,566
6. Step 6: Final answer
   x = 582,715.75