Finding the Third Proportional to 1,960,112 and 4,220,563

Step by Step Solution

1. Step 1: Write the proportion equation
   1,960,112 : 4,220,563 = 4,220,563 : x
2. Step 2: Convert to fraction form
   1,960,112/4,220,563 = 4,220,563/x
3. Step 3: Cross multiply
   1,960,112x = 4,220,563 × 4,220,563
4. Step 4: Simplify right side
   1,960,112x = 17,813,152,036,969
5. Step 5: Solve for x
   x = 17,813,152,036,969/1,960,112
6. Step 6: Final answer
   x = 9,087,823.57