Finding the Third Proportional to 3,642,580 and 5,345,772

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642,580 : 5,345,772 = 5,345,772 : x
2. Step 2: Convert to fraction form
   3,642,580/5,345,772 = 5,345,772/x
3. Step 3: Cross multiply
   3,642,580x = 5,345,772 × 5,345,772
4. Step 4: Simplify right side
   3,642,580x = 28,577,278,275,984
5. Step 5: Solve for x
   x = 28,577,278,275,984/3,642,580
6. Step 6: Final answer
   x = 7,845,339.92