Finding the Third Proportional to 2,175,623 and 4,712,829

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,623 : 4,712,829 = 4,712,829 : x
2. Step 2: Convert to fraction form
   2,175,623/4,712,829 = 4,712,829/x
3. Step 3: Cross multiply
   2,175,623x = 4,712,829 × 4,712,829
4. Step 4: Simplify right side
   2,175,623x = 22,210,757,183,241
5. Step 5: Solve for x
   x = 22,210,757,183,241/2,175,623
6. Step 6: Final answer
   x = 10,208,918.17