Finding the Third Proportional to 83,181.94 and 129,040.59

Step by Step Solution

1. Step 1: Write the proportion equation
   83,181.94 : 129,040.59 = 129,040.59 : x
2. Step 2: Convert to fraction form
   83,181.94/129,040.59 = 129,040.59/x
3. Step 3: Cross multiply
   83,181.94x = 129,040.59 × 129,040.59
4. Step 4: Simplify right side
   83,181.94x = 16,651,474,835.35
5. Step 5: Solve for x
   x = 16,651,474,835.35/83,181.94
6. Step 6: Final answer
   x = 200,181.38