Finding the Third Proportional to 19,347.19 and 39,315.38

Step by Step Solution

1. Step 1: Write the proportion equation
   19,347.19 : 39,315.38 = 39,315.38 : x
2. Step 2: Convert to fraction form
   19,347.19/39,315.38 = 39,315.38/x
3. Step 3: Cross multiply
   19,347.19x = 39,315.38 × 39,315.38
4. Step 4: Simplify right side
   19,347.19x = 1,545,698,711.39
5. Step 5: Solve for x
   x = 1,545,698,711.39/19,347.19
6. Step 6: Final answer
   x = 79,892.68