Finding the Third Proportional to 987,022 and 2,143,168

Step by Step Solution

1. Step 1: Write the proportion equation
   987,022 : 2,143,168 = 2,143,168 : x
2. Step 2: Convert to fraction form
   987,022/2,143,168 = 2,143,168/x
3. Step 3: Cross multiply
   987,022x = 2,143,168 × 2,143,168
4. Step 4: Simplify right side
   987,022x = 4,593,169,076,224
5. Step 5: Solve for x
   x = 4,593,169,076,224/987,022
6. Step 6: Final answer
   x = 4,653,563.02