Finding the Third Proportional to 2,108,304 and 4,636,440

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,304 : 4,636,440 = 4,636,440 : x
2. Step 2: Convert to fraction form
   2,108,304/4,636,440 = 4,636,440/x
3. Step 3: Cross multiply
   2,108,304x = 4,636,440 × 4,636,440
4. Step 4: Simplify right side
   2,108,304x = 21,496,575,873,600
5. Step 5: Solve for x
   x = 21,496,575,873,600/2,108,304
6. Step 6: Final answer
   x = 10,196,146.23