Finding the Third Proportional to 7,017,970 and 10,578,796

Step by Step Solution

1. Step 1: Write the proportion equation
   7,017,970 : 10,578,796 = 10,578,796 : x
2. Step 2: Convert to fraction form
   7,017,970/10,578,796 = 10,578,796/x
3. Step 3: Cross multiply
   7,017,970x = 10,578,796 × 10,578,796
4. Step 4: Simplify right side
   7,017,970x = 111,910,924,809,616
5. Step 5: Solve for x
   x = 111,910,924,809,616/7,017,970
6. Step 6: Final answer
   x = 15,946,338.44