Finding the Third Proportional to 18,467,380,485.75 and 37,448,637,405

Step by Step Solution

1. Step 1: Write the proportion equation
   18,467,380,485.75 : 37,448,637,405 = 37,448,637,405 : x
2. Step 2: Convert to fraction form
   18,467,380,485.75/37,448,637,405 = 37,448,637,405/x
3. Step 3: Cross multiply
   18,467,380,485.75x = 37,448,637,405 × 37,448,637,405
4. Step 4: Simplify right side
   18,467,380,485.75x = 1,402,400,443,491,165,143,040
5. Step 5: Solve for x
   x = 1,402,400,443,491,165,143,040/18,467,380,485.75
6. Step 6: Final answer
   x = 75,939,326,889.01