Finding the Third Proportional to 1,107,642 and 2,447,789

Step by Step Solution

1. Step 1: Write the proportion equation
   1,107,642 : 2,447,789 = 2,447,789 : x
2. Step 2: Convert to fraction form
   1,107,642/2,447,789 = 2,447,789/x
3. Step 3: Cross multiply
   1,107,642x = 2,447,789 × 2,447,789
4. Step 4: Simplify right side
   1,107,642x = 5,991,670,988,521
5. Step 5: Solve for x
   x = 5,991,670,988,521/1,107,642
6. Step 6: Final answer
   x = 5,409,393.10