Finding the Third Proportional to 17,970,399 and 25,697,880

Step by Step Solution

1. Step 1: Write the proportion equation
   17,970,399 : 25,697,880 = 25,697,880 : x
2. Step 2: Convert to fraction form
   17,970,399/25,697,880 = 25,697,880/x
3. Step 3: Cross multiply
   17,970,399x = 25,697,880 × 25,697,880
4. Step 4: Simplify right side
   17,970,399x = 660,381,036,494,400
5. Step 5: Solve for x
   x = 660,381,036,494,400/17,970,399
6. Step 6: Final answer
   x = 36,748,267.89