Finding the Third Proportional to 3,215,340 and 4,976,424

Step by Step Solution

1. Step 1: Write the proportion equation
   3,215,340 : 4,976,424 = 4,976,424 : x
2. Step 2: Convert to fraction form
   3,215,340/4,976,424 = 4,976,424/x
3. Step 3: Cross multiply
   3,215,340x = 4,976,424 × 4,976,424
4. Step 4: Simplify right side
   3,215,340x = 24,764,795,827,776
5. Step 5: Solve for x
   x = 24,764,795,827,776/3,215,340
6. Step 6: Final answer
   x = 7,702,076.87