Finding the Third Proportional to 3,666,336 and 5,387,238

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666,336 : 5,387,238 = 5,387,238 : x
2. Step 2: Convert to fraction form
   3,666,336/5,387,238 = 5,387,238/x
3. Step 3: Cross multiply
   3,666,336x = 5,387,238 × 5,387,238
4. Step 4: Simplify right side
   3,666,336x = 29,022,333,268,644
5. Step 5: Solve for x
   x = 29,022,333,268,644/3,666,336
6. Step 6: Final answer
   x = 7,915,895.67