Finding the Third Proportional to 21,824,389.50 and 30,345,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,824,389.50 : 30,345,067.50 = 30,345,067.50 : x
2. Step 2: Convert to fraction form
   21,824,389.50/30,345,067.50 = 30,345,067.50/x
3. Step 3: Cross multiply
   21,824,389.50x = 30,345,067.50 × 30,345,067.50
4. Step 4: Simplify right side
   21,824,389.50x = 920,823,121,579,556.25
5. Step 5: Solve for x
   x = 920,823,121,579,556.25/21,824,389.50
6. Step 6: Final answer
   x = 42,192,388.55