Finding the Third Proportional to 3,817,218 and 8,306,130

Step by Step Solution

1. Step 1: Write the proportion equation
   3,817,218 : 8,306,130 = 8,306,130 : x
2. Step 2: Convert to fraction form
   3,817,218/8,306,130 = 8,306,130/x
3. Step 3: Cross multiply
   3,817,218x = 8,306,130 × 8,306,130
4. Step 4: Simplify right side
   3,817,218x = 68,991,795,576,900
5. Step 5: Solve for x
   x = 68,991,795,576,900/3,817,218
6. Step 6: Final answer
   x = 18,073,842.15