Finding the Third Proportional to 3,953,902 and 8,632,808

Step by Step Solution

1. Step 1: Write the proportion equation
   3,953,902 : 8,632,808 = 8,632,808 : x
2. Step 2: Convert to fraction form
   3,953,902/8,632,808 = 8,632,808/x
3. Step 3: Cross multiply
   3,953,902x = 8,632,808 × 8,632,808
4. Step 4: Simplify right side
   3,953,902x = 74,525,373,964,864
5. Step 5: Solve for x
   x = 74,525,373,964,864/3,953,902
6. Step 6: Final answer
   x = 18,848,563.76