Finding the Third Proportional to 3,783,456 and 8,302,716

Step by Step Solution

1. Step 1: Write the proportion equation
   3,783,456 : 8,302,716 = 8,302,716 : x
2. Step 2: Convert to fraction form
   3,783,456/8,302,716 = 8,302,716/x
3. Step 3: Cross multiply
   3,783,456x = 8,302,716 × 8,302,716
4. Step 4: Simplify right side
   3,783,456x = 68,935,092,976,656
5. Step 5: Solve for x
   x = 68,935,092,976,656/3,783,456
6. Step 6: Final answer
   x = 18,220,138.67