Finding the Third Proportional to 3,663,242 and 5,385,099

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663,242 : 5,385,099 = 5,385,099 : x
2. Step 2: Convert to fraction form
   3,663,242/5,385,099 = 5,385,099/x
3. Step 3: Cross multiply
   3,663,242x = 5,385,099 × 5,385,099
4. Step 4: Simplify right side
   3,663,242x = 28,999,291,239,801
5. Step 5: Solve for x
   x = 28,999,291,239,801/3,663,242
6. Step 6: Final answer
   x = 7,916,291.43