Finding the Third Proportional to 1,428,903 and 3,054,321

Step by Step Solution

1. Step 1: Write the proportion equation
   1,428,903 : 3,054,321 = 3,054,321 : x
2. Step 2: Convert to fraction form
   1,428,903/3,054,321 = 3,054,321/x
3. Step 3: Cross multiply
   1,428,903x = 3,054,321 × 3,054,321
4. Step 4: Simplify right side
   1,428,903x = 9,328,876,771,041
5. Step 5: Solve for x
   x = 9,328,876,771,041/1,428,903
6. Step 6: Final answer
   x = 6,528,698.43