Finding the Third Proportional to 3,663,245 and 5,385,108

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663,245 : 5,385,108 = 5,385,108 : x
2. Step 2: Convert to fraction form
   3,663,245/5,385,108 = 5,385,108/x
3. Step 3: Cross multiply
   3,663,245x = 5,385,108 × 5,385,108
4. Step 4: Simplify right side
   3,663,245x = 28,999,388,171,664
5. Step 5: Solve for x
   x = 28,999,388,171,664/3,663,245
6. Step 6: Final answer
   x = 7,916,311.40