Finding the Third Proportional to 3,642,437 and 5,345,557

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642,437 : 5,345,557 = 5,345,557 : x
2. Step 2: Convert to fraction form
   3,642,437/5,345,557 = 5,345,557/x
3. Step 3: Cross multiply
   3,642,437x = 5,345,557 × 5,345,557
4. Step 4: Simplify right side
   3,642,437x = 28,574,979,640,249
5. Step 5: Solve for x
   x = 28,574,979,640,249/3,642,437
6. Step 6: Final answer
   x = 7,845,016.85