Finding the Third Proportional to 3,953,826 and 8,632,650

Step by Step Solution

1. Step 1: Write the proportion equation
   3,953,826 : 8,632,650 = 8,632,650 : x
2. Step 2: Convert to fraction form
   3,953,826/8,632,650 = 8,632,650/x
3. Step 3: Cross multiply
   3,953,826x = 8,632,650 × 8,632,650
4. Step 4: Simplify right side
   3,953,826x = 74,522,646,022,500
5. Step 5: Solve for x
   x = 74,522,646,022,500/3,953,826
6. Step 6: Final answer
   x = 18,848,236.12