Finding the Third Proportional to 131,061.56 and 281,238.94

Step by Step Solution

1. Step 1: Write the proportion equation
   131,061.56 : 281,238.94 = 281,238.94 : x
2. Step 2: Convert to fraction form
   131,061.56/281,238.94 = 281,238.94/x
3. Step 3: Cross multiply
   131,061.56x = 281,238.94 × 281,238.94
4. Step 4: Simplify right side
   131,061.56x = 79,095,339,966.13
5. Step 5: Solve for x
   x = 79,095,339,966.13/131,061.56
6. Step 6: Final answer
   x = 603,497.61