Finding the Third Proportional to 1,939,336 and 4,220,496

Step by Step Solution

1. Step 1: Write the proportion equation
   1,939,336 : 4,220,496 = 4,220,496 : x
2. Step 2: Convert to fraction form
   1,939,336/4,220,496 = 4,220,496/x
3. Step 3: Cross multiply
   1,939,336x = 4,220,496 × 4,220,496
4. Step 4: Simplify right side
   1,939,336x = 17,812,586,486,016
5. Step 5: Solve for x
   x = 17,812,586,486,016/1,939,336
6. Step 6: Final answer
   x = 9,184,889.31