Finding the Third Proportional to 1,015,600 and 2,171,168

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,600 : 2,171,168 = 2,171,168 : x
2. Step 2: Convert to fraction form
   1,015,600/2,171,168 = 2,171,168/x
3. Step 3: Cross multiply
   1,015,600x = 2,171,168 × 2,171,168
4. Step 4: Simplify right side
   1,015,600x = 4,713,970,484,224
5. Step 5: Solve for x
   x = 4,713,970,484,224/1,015,600
6. Step 6: Final answer
   x = 4,641,562.12