Finding the Third Proportional to 120,330.56 and 231,411.94

Step by Step Solution

1. Step 1: Write the proportion equation
   120,330.56 : 231,411.94 = 231,411.94 : x
2. Step 2: Convert to fraction form
   120,330.56/231,411.94 = 231,411.94/x
3. Step 3: Cross multiply
   120,330.56x = 231,411.94 × 231,411.94
4. Step 4: Simplify right side
   120,330.56x = 53,551,484,817.50
5. Step 5: Solve for x
   x = 53,551,484,817.50/120,330.56
6. Step 6: Final answer
   x = 445,036.44