Finding the Third Proportional to 2,728,440 and 4,547,124

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728,440 : 4,547,124 = 4,547,124 : x
2. Step 2: Convert to fraction form
   2,728,440/4,547,124 = 4,547,124/x
3. Step 3: Cross multiply
   2,728,440x = 4,547,124 × 4,547,124
4. Step 4: Simplify right side
   2,728,440x = 20,676,336,671,376
5. Step 5: Solve for x
   x = 20,676,336,671,376/2,728,440
6. Step 6: Final answer
   x = 7,578,080.03