Finding the Third Proportional to 3,259,620 and 7,320,168

Step by Step Solution

1. Step 1: Write the proportion equation
   3,259,620 : 7,320,168 = 7,320,168 : x
2. Step 2: Convert to fraction form
   3,259,620/7,320,168 = 7,320,168/x
3. Step 3: Cross multiply
   3,259,620x = 7,320,168 × 7,320,168
4. Step 4: Simplify right side
   3,259,620x = 53,584,859,548,224
5. Step 5: Solve for x
   x = 53,584,859,548,224/3,259,620
6. Step 6: Final answer
   x = 16,438,989.68