Finding the Third Proportional to 5,476,086 and 8,512,776

Step by Step Solution

1. Step 1: Write the proportion equation
   5,476,086 : 8,512,776 = 8,512,776 : x
2. Step 2: Convert to fraction form
   5,476,086/8,512,776 = 8,512,776/x
3. Step 3: Cross multiply
   5,476,086x = 8,512,776 × 8,512,776
4. Step 4: Simplify right side
   5,476,086x = 72,467,355,226,176
5. Step 5: Solve for x
   x = 72,467,355,226,176/5,476,086
6. Step 6: Final answer
   x = 13,233,421.69