Finding the Third Proportional to 1,960,288 and 4,220,932

Step by Step Solution

1. Step 1: Write the proportion equation
   1,960,288 : 4,220,932 = 4,220,932 : x
2. Step 2: Convert to fraction form
   1,960,288/4,220,932 = 4,220,932/x
3. Step 3: Cross multiply
   1,960,288x = 4,220,932 × 4,220,932
4. Step 4: Simplify right side
   1,960,288x = 17,816,266,948,624
5. Step 5: Solve for x
   x = 17,816,266,948,624/1,960,288
6. Step 6: Final answer
   x = 9,088,596.65