Finding the Third Proportional to 4,003,650 and 8,291,211

Step by Step Solution

1. Step 1: Write the proportion equation
   4,003,650 : 8,291,211 = 8,291,211 : x
2. Step 2: Convert to fraction form
   4,003,650/8,291,211 = 8,291,211/x
3. Step 3: Cross multiply
   4,003,650x = 8,291,211 × 8,291,211
4. Step 4: Simplify right side
   4,003,650x = 68,744,179,846,521
5. Step 5: Solve for x
   x = 68,744,179,846,521/4,003,650
6. Step 6: Final answer
   x = 17,170,376.99