Finding the Third Proportional to 5,766,636 and 8,306,658

Step by Step Solution

1. Step 1: Write the proportion equation
   5,766,636 : 8,306,658 = 8,306,658 : x
2. Step 2: Convert to fraction form
   5,766,636/8,306,658 = 8,306,658/x
3. Step 3: Cross multiply
   5,766,636x = 8,306,658 × 8,306,658
4. Step 4: Simplify right side
   5,766,636x = 69,000,567,128,964
5. Step 5: Solve for x
   x = 69,000,567,128,964/5,766,636
6. Step 6: Final answer
   x = 11,965,479.90