Finding the Third Proportional to 3,590,620 and 7,791,610

Step by Step Solution

1. Step 1: Write the proportion equation
   3,590,620 : 7,791,610 = 7,791,610 : x
2. Step 2: Convert to fraction form
   3,590,620/7,791,610 = 7,791,610/x
3. Step 3: Cross multiply
   3,590,620x = 7,791,610 × 7,791,610
4. Step 4: Simplify right side
   3,590,620x = 60,709,186,392,100
5. Step 5: Solve for x
   x = 60,709,186,392,100/3,590,620
6. Step 6: Final answer
   x = 16,907,716.88