Finding the Third Proportional to 3,645,816 and 7,852,608

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645,816 : 7,852,608 = 7,852,608 : x
2. Step 2: Convert to fraction form
   3,645,816/7,852,608 = 7,852,608/x
3. Step 3: Cross multiply
   3,645,816x = 7,852,608 × 7,852,608
4. Step 4: Simplify right side
   3,645,816x = 61,663,452,401,664
5. Step 5: Solve for x
   x = 61,663,452,401,664/3,645,816
6. Step 6: Final answer
   x = 16,913,484.50