Finding the Third Proportional to 3,663,240 and 5,385,096

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663,240 : 5,385,096 = 5,385,096 : x
2. Step 2: Convert to fraction form
   3,663,240/5,385,096 = 5,385,096/x
3. Step 3: Cross multiply
   3,663,240x = 5,385,096 × 5,385,096
4. Step 4: Simplify right side
   3,663,240x = 28,999,258,929,216
5. Step 5: Solve for x
   x = 28,999,258,929,216/3,663,240
6. Step 6: Final answer
   x = 7,916,286.93