Finding the Third Proportional to 3,953,822 and 8,632,636

Step by Step Solution

1. Step 1: Write the proportion equation
   3,953,822 : 8,632,636 = 8,632,636 : x
2. Step 2: Convert to fraction form
   3,953,822/8,632,636 = 8,632,636/x
3. Step 3: Cross multiply
   3,953,822x = 8,632,636 × 8,632,636
4. Step 4: Simplify right side
   3,953,822x = 74,522,404,308,496
5. Step 5: Solve for x
   x = 74,522,404,308,496/3,953,822
6. Step 6: Final answer
   x = 18,848,194.05