Finding the Third Proportional to 12,353,042 and 17,820,894

Step by Step Solution

1. Step 1: Write the proportion equation
   12,353,042 : 17,820,894 = 17,820,894 : x
2. Step 2: Convert to fraction form
   12,353,042/17,820,894 = 17,820,894/x
3. Step 3: Cross multiply
   12,353,042x = 17,820,894 × 17,820,894
4. Step 4: Simplify right side
   12,353,042x = 317,584,262,959,236
5. Step 5: Solve for x
   x = 317,584,262,959,236/12,353,042
6. Step 6: Final answer
   x = 25,708,992.41