Finding the Third Proportional to 1,030,658 and 2,213,678

Step by Step Solution

1. Step 1: Write the proportion equation
   1,030,658 : 2,213,678 = 2,213,678 : x
2. Step 2: Convert to fraction form
   1,030,658/2,213,678 = 2,213,678/x
3. Step 3: Cross multiply
   1,030,658x = 2,213,678 × 2,213,678
4. Step 4: Simplify right side
   1,030,658x = 4,900,370,287,684
5. Step 5: Solve for x
   x = 4,900,370,287,684/1,030,658
6. Step 6: Final answer
   x = 4,754,603.65