Finding the Third Proportional to 19,090.69 and 39,924.14

Step by Step Solution

1. Step 1: Write the proportion equation
   19,090.69 : 39,924.14 = 39,924.14 : x
2. Step 2: Convert to fraction form
   19,090.69/39,924.14 = 39,924.14/x
3. Step 3: Cross multiply
   19,090.69x = 39,924.14 × 39,924.14
4. Step 4: Simplify right side
   19,090.69x = 1,593,937,004.64
5. Step 5: Solve for x
   x = 1,593,937,004.64/19,090.69
6. Step 6: Final answer
   x = 83,492.91