Finding the Third Proportional to 5,420,234 and 8,397,652

Step by Step Solution

1. Step 1: Write the proportion equation
   5,420,234 : 8,397,652 = 8,397,652 : x
2. Step 2: Convert to fraction form
   5,420,234/8,397,652 = 8,397,652/x
3. Step 3: Cross multiply
   5,420,234x = 8,397,652 × 8,397,652
4. Step 4: Simplify right side
   5,420,234x = 70,520,559,113,104
5. Step 5: Solve for x
   x = 70,520,559,113,104/5,420,234
6. Step 6: Final answer
   x = 13,010,611.56