Finding the Third Proportional to 3,953,895 and 8,632,899

Step by Step Solution

1. Step 1: Write the proportion equation
   3,953,895 : 8,632,899 = 8,632,899 : x
2. Step 2: Convert to fraction form
   3,953,895/8,632,899 = 8,632,899/x
3. Step 3: Cross multiply
   3,953,895x = 8,632,899 × 8,632,899
4. Step 4: Simplify right side
   3,953,895x = 74,526,945,144,201
5. Step 5: Solve for x
   x = 74,526,945,144,201/3,953,895
6. Step 6: Final answer
   x = 18,848,994.51