Finding the Third Proportional to 17,992,468 and 39,179,570

Step by Step Solution

1. Step 1: Write the proportion equation
   17,992,468 : 39,179,570 = 39,179,570 : x
2. Step 2: Convert to fraction form
   17,992,468/39,179,570 = 39,179,570/x
3. Step 3: Cross multiply
   17,992,468x = 39,179,570 × 39,179,570
4. Step 4: Simplify right side
   17,992,468x = 1,535,038,705,384,900
5. Step 5: Solve for x
   x = 1,535,038,705,384,900/17,992,468
6. Step 6: Final answer
   x = 85,315,627.93