Finding the Third Proportional to 3,666,338 and 5,387,240

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666,338 : 5,387,240 = 5,387,240 : x
2. Step 2: Convert to fraction form
   3,666,338/5,387,240 = 5,387,240/x
3. Step 3: Cross multiply
   3,666,338x = 5,387,240 × 5,387,240
4. Step 4: Simplify right side
   3,666,338x = 29,022,354,817,600
5. Step 5: Solve for x
   x = 29,022,354,817,600/3,666,338
6. Step 6: Final answer
   x = 7,915,897.23