Finding the Third Proportional to 987,020 and 2,143,164

Step by Step Solution

1. Step 1: Write the proportion equation
   987,020 : 2,143,164 = 2,143,164 : x
2. Step 2: Convert to fraction form
   987,020/2,143,164 = 2,143,164/x
3. Step 3: Cross multiply
   987,020x = 2,143,164 × 2,143,164
4. Step 4: Simplify right side
   987,020x = 4,593,151,930,896
5. Step 5: Solve for x
   x = 4,593,151,930,896/987,020
6. Step 6: Final answer
   x = 4,653,555.08