Finding the Third Proportional to 6,207,570 and 9,688,530

Step by Step Solution

1. Step 1: Write the proportion equation
   6,207,570 : 9,688,530 = 9,688,530 : x
2. Step 2: Convert to fraction form
   6,207,570/9,688,530 = 9,688,530/x
3. Step 3: Cross multiply
   6,207,570x = 9,688,530 × 9,688,530
4. Step 4: Simplify right side
   6,207,570x = 93,867,613,560,900
5. Step 5: Solve for x
   x = 93,867,613,560,900/6,207,570
6. Step 6: Final answer
   x = 15,121,474.84