Finding the Third Proportional to 2,728,456 and 4,547,148

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728,456 : 4,547,148 = 4,547,148 : x
2. Step 2: Convert to fraction form
   2,728,456/4,547,148 = 4,547,148/x
3. Step 3: Cross multiply
   2,728,456x = 4,547,148 × 4,547,148
4. Step 4: Simplify right side
   2,728,456x = 20,676,554,933,904
5. Step 5: Solve for x
   x = 20,676,554,933,904/2,728,456
6. Step 6: Final answer
   x = 7,578,115.58