Finding the Third Proportional to 1,409,722 and 2,117,710

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409,722 : 2,117,710 = 2,117,710 : x
2. Step 2: Convert to fraction form
   1,409,722/2,117,710 = 2,117,710/x
3. Step 3: Cross multiply
   1,409,722x = 2,117,710 × 2,117,710
4. Step 4: Simplify right side
   1,409,722x = 4,484,695,644,100
5. Step 5: Solve for x
   x = 4,484,695,644,100/1,409,722
6. Step 6: Final answer
   x = 3,181,262.44