Finding the Third Proportional to 5,269,668 and 7,860,786

Step by Step Solution

1. Step 1: Write the proportion equation
   5,269,668 : 7,860,786 = 7,860,786 : x
2. Step 2: Convert to fraction form
   5,269,668/7,860,786 = 7,860,786/x
3. Step 3: Cross multiply
   5,269,668x = 7,860,786 × 7,860,786
4. Step 4: Simplify right side
   5,269,668x = 61,791,956,537,796
5. Step 5: Solve for x
   x = 61,791,956,537,796/5,269,668
6. Step 6: Final answer
   x = 11,725,967.66