Finding the Third Proportional to 3,551,818 and 7,702,388

Step by Step Solution

1. Step 1: Write the proportion equation
   3,551,818 : 7,702,388 = 7,702,388 : x
2. Step 2: Convert to fraction form
   3,551,818/7,702,388 = 7,702,388/x
3. Step 3: Cross multiply
   3,551,818x = 7,702,388 × 7,702,388
4. Step 4: Simplify right side
   3,551,818x = 59,326,780,902,544
5. Step 5: Solve for x
   x = 59,326,780,902,544/3,551,818
6. Step 6: Final answer
   x = 16,703,215.34