Finding the Third Proportional to 5,389,827 and 8,140,902

Step by Step Solution

1. Step 1: Write the proportion equation
   5,389,827 : 8,140,902 = 8,140,902 : x
2. Step 2: Convert to fraction form
   5,389,827/8,140,902 = 8,140,902/x
3. Step 3: Cross multiply
   5,389,827x = 8,140,902 × 8,140,902
4. Step 4: Simplify right side
   5,389,827x = 66,274,285,373,604
5. Step 5: Solve for x
   x = 66,274,285,373,604/5,389,827
6. Step 6: Final answer
   x = 12,296,180.45