Finding the Third Proportional to 986,970 and 2,123,628

Step by Step Solution

1. Step 1: Write the proportion equation
   986,970 : 2,123,628 = 2,123,628 : x
2. Step 2: Convert to fraction form
   986,970/2,123,628 = 2,123,628/x
3. Step 3: Cross multiply
   986,970x = 2,123,628 × 2,123,628
4. Step 4: Simplify right side
   986,970x = 4,509,795,882,384
5. Step 5: Solve for x
   x = 4,509,795,882,384/986,970
6. Step 6: Final answer
   x = 4,569,334.31