Finding the Third Proportional to 19,945 and 43,392

Step by Step Solution

1. Step 1: Write the proportion equation
   19,945 : 43,392 = 43,392 : x
2. Step 2: Convert to fraction form
   19,945/43,392 = 43,392/x
3. Step 3: Cross multiply
   19,945x = 43,392 × 43,392
4. Step 4: Simplify right side
   19,945x = 1,882,865,664
5. Step 5: Solve for x
   x = 1,882,865,664/19,945
6. Step 6: Final answer
   x = 94,402.89