Finding the Third Proportional to 987,010 and 2,143,144

Step by Step Solution

1. Step 1: Write the proportion equation
   987,010 : 2,143,144 = 2,143,144 : x
2. Step 2: Convert to fraction form
   987,010/2,143,144 = 2,143,144/x
3. Step 3: Cross multiply
   987,010x = 2,143,144 × 2,143,144
4. Step 4: Simplify right side
   987,010x = 4,593,066,204,736
5. Step 5: Solve for x
   x = 4,593,066,204,736/987,010
6. Step 6: Final answer
   x = 4,653,515.37