Finding the Third Proportional to 31,179.94 and 45,813.09

Step by Step Solution

1. Step 1: Write the proportion equation
   31,179.94 : 45,813.09 = 45,813.09 : x
2. Step 2: Convert to fraction form
   31,179.94/45,813.09 = 45,813.09/x
3. Step 3: Cross multiply
   31,179.94x = 45,813.09 × 45,813.09
4. Step 4: Simplify right side
   31,179.94x = 2,098,839,558.95
5. Step 5: Solve for x
   x = 2,098,839,558.95/31,179.94
6. Step 6: Final answer
   x = 67,313.78