Finding the Third Proportional to 1,993,623 and 4,248,222

Step by Step Solution

1. Step 1: Write the proportion equation
   1,993,623 : 4,248,222 = 4,248,222 : x
2. Step 2: Convert to fraction form
   1,993,623/4,248,222 = 4,248,222/x
3. Step 3: Cross multiply
   1,993,623x = 4,248,222 × 4,248,222
4. Step 4: Simplify right side
   1,993,623x = 18,047,390,161,284
5. Step 5: Solve for x
   x = 18,047,390,161,284/1,993,623
6. Step 6: Final answer
   x = 9,052,559.17