Finding the Third Proportional to 8,260,728 and 17,716,290

Step by Step Solution

1. Step 1: Write the proportion equation
   8,260,728 : 17,716,290 = 17,716,290 : x
2. Step 2: Convert to fraction form
   8,260,728/17,716,290 = 17,716,290/x
3. Step 3: Cross multiply
   8,260,728x = 17,716,290 × 17,716,290
4. Step 4: Simplify right side
   8,260,728x = 313,866,931,364,100
5. Step 5: Solve for x
   x = 313,866,931,364,100/8,260,728
6. Step 6: Final answer
   x = 37,995,069.12