Finding the Third Proportional to 3,617,460 and 7,863,912

Step by Step Solution

1. Step 1: Write the proportion equation
   3,617,460 : 7,863,912 = 7,863,912 : x
2. Step 2: Convert to fraction form
   3,617,460/7,863,912 = 7,863,912/x
3. Step 3: Cross multiply
   3,617,460x = 7,863,912 × 7,863,912
4. Step 4: Simplify right side
   3,617,460x = 61,841,111,943,744
5. Step 5: Solve for x
   x = 61,841,111,943,744/3,617,460
6. Step 6: Final answer
   x = 17,095,175.05