Finding the Third Proportional to 2,728,465 and 4,547,168

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728,465 : 4,547,168 = 4,547,168 : x
2. Step 2: Convert to fraction form
   2,728,465/4,547,168 = 4,547,168/x
3. Step 3: Cross multiply
   2,728,465x = 4,547,168 × 4,547,168
4. Step 4: Simplify right side
   2,728,465x = 20,676,736,820,224
5. Step 5: Solve for x
   x = 20,676,736,820,224/2,728,465
6. Step 6: Final answer
   x = 7,578,157.25