Finding the Third Proportional to 1,328,732 and 3,119,410

Step by Step Solution

1. Step 1: Write the proportion equation
   1,328,732 : 3,119,410 = 3,119,410 : x
2. Step 2: Convert to fraction form
   1,328,732/3,119,410 = 3,119,410/x
3. Step 3: Cross multiply
   1,328,732x = 3,119,410 × 3,119,410
4. Step 4: Simplify right side
   1,328,732x = 9,730,718,748,100
5. Step 5: Solve for x
   x = 9,730,718,748,100/1,328,732
6. Step 6: Final answer
   x = 7,323,311.81