Finding the Third Proportional to 3,676,396 and 8,078,470

Step by Step Solution

1. Step 1: Write the proportion equation
   3,676,396 : 8,078,470 = 8,078,470 : x
2. Step 2: Convert to fraction form
   3,676,396/8,078,470 = 8,078,470/x
3. Step 3: Cross multiply
   3,676,396x = 8,078,470 × 8,078,470
4. Step 4: Simplify right side
   3,676,396x = 65,261,677,540,900
5. Step 5: Solve for x
   x = 65,261,677,540,900/3,676,396
6. Step 6: Final answer
   x = 17,751,536.43