Finding the Third Proportional to 5,426,086 and 8,397,970

Step by Step Solution

1. Step 1: Write the proportion equation
   5,426,086 : 8,397,970 = 8,397,970 : x
2. Step 2: Convert to fraction form
   5,426,086/8,397,970 = 8,397,970/x
3. Step 3: Cross multiply
   5,426,086x = 8,397,970 × 8,397,970
4. Step 4: Simplify right side
   5,426,086x = 70,525,900,120,900
5. Step 5: Solve for x
   x = 70,525,900,120,900/5,426,086
6. Step 6: Final answer
   x = 12,997,564.01