Finding the Third Proportional to 3,590,604 and 7,856,856

Step by Step Solution

1. Step 1: Write the proportion equation
   3,590,604 : 7,856,856 = 7,856,856 : x
2. Step 2: Convert to fraction form
   3,590,604/7,856,856 = 7,856,856/x
3. Step 3: Cross multiply
   3,590,604x = 7,856,856 × 7,856,856
4. Step 4: Simplify right side
   3,590,604x = 61,730,186,204,736
5. Step 5: Solve for x
   x = 61,730,186,204,736/3,590,604
6. Step 6: Final answer
   x = 17,192,145.45