Finding the Third Proportional to 6,402,578 and 9,766,474

Step by Step Solution

1. Step 1: Write the proportion equation
   6,402,578 : 9,766,474 = 9,766,474 : x
2. Step 2: Convert to fraction form
   6,402,578/9,766,474 = 9,766,474/x
3. Step 3: Cross multiply
   6,402,578x = 9,766,474 × 9,766,474
4. Step 4: Simplify right side
   6,402,578x = 95,384,014,392,676
5. Step 5: Solve for x
   x = 95,384,014,392,676/6,402,578
6. Step 6: Final answer
   x = 14,897,751.25