Finding the Third Proportional to 2,175,662 and 4,712,912

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,662 : 4,712,912 = 4,712,912 : x
2. Step 2: Convert to fraction form
   2,175,662/4,712,912 = 4,712,912/x
3. Step 3: Cross multiply
   2,175,662x = 4,712,912 × 4,712,912
4. Step 4: Simplify right side
   2,175,662x = 22,211,539,519,744
5. Step 5: Solve for x
   x = 22,211,539,519,744/2,175,662
6. Step 6: Final answer
   x = 10,209,094.76