Finding the Third Proportional to 3,815,362 and 8,293,380

Step by Step Solution

1. Step 1: Write the proportion equation
   3,815,362 : 8,293,380 = 8,293,380 : x
2. Step 2: Convert to fraction form
   3,815,362/8,293,380 = 8,293,380/x
3. Step 3: Cross multiply
   3,815,362x = 8,293,380 × 8,293,380
4. Step 4: Simplify right side
   3,815,362x = 68,780,151,824,400
5. Step 5: Solve for x
   x = 68,780,151,824,400/3,815,362
6. Step 6: Final answer
   x = 18,027,162.78