Finding the Third Proportional to 945,040 and 2,021,216

Step by Step Solution

1. Step 1: Write the proportion equation
   945,040 : 2,021,216 = 2,021,216 : x
2. Step 2: Convert to fraction form
   945,040/2,021,216 = 2,021,216/x
3. Step 3: Cross multiply
   945,040x = 2,021,216 × 2,021,216
4. Step 4: Simplify right side
   945,040x = 4,085,314,118,656
5. Step 5: Solve for x
   x = 4,085,314,118,656/945,040
6. Step 6: Final answer
   x = 4,322,900.74