Finding the Third Proportional to 3,859,968 and 8,232,912

Step by Step Solution

1. Step 1: Write the proportion equation
   3,859,968 : 8,232,912 = 8,232,912 : x
2. Step 2: Convert to fraction form
   3,859,968/8,232,912 = 8,232,912/x
3. Step 3: Cross multiply
   3,859,968x = 8,232,912 × 8,232,912
4. Step 4: Simplify right side
   3,859,968x = 67,780,839,999,744
5. Step 5: Solve for x
   x = 67,780,839,999,744/3,859,968
6. Step 6: Final answer
   x = 17,559,948.68