Finding the Third Proportional to 2,005,215 and 4,175,670

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005,215 : 4,175,670 = 4,175,670 : x
2. Step 2: Convert to fraction form
   2,005,215/4,175,670 = 4,175,670/x
3. Step 3: Cross multiply
   2,005,215x = 4,175,670 × 4,175,670
4. Step 4: Simplify right side
   2,005,215x = 17,436,219,948,900
5. Step 5: Solve for x
   x = 17,436,219,948,900/2,005,215
6. Step 6: Final answer
   x = 8,695,436.62