Finding the Third Proportional to 3,908,106 and 8,484,650

Step by Step Solution

1. Step 1: Write the proportion equation
   3,908,106 : 8,484,650 = 8,484,650 : x
2. Step 2: Convert to fraction form
   3,908,106/8,484,650 = 8,484,650/x
3. Step 3: Cross multiply
   3,908,106x = 8,484,650 × 8,484,650
4. Step 4: Simplify right side
   3,908,106x = 71,989,285,622,500
5. Step 5: Solve for x
   x = 71,989,285,622,500/3,908,106
6. Step 6: Final answer
   x = 18,420,504.87