Finding the Third Proportional to 5,475,873 and 8,512,488

Step by Step Solution

1. Step 1: Write the proportion equation
   5,475,873 : 8,512,488 = 8,512,488 : x
2. Step 2: Convert to fraction form
   5,475,873/8,512,488 = 8,512,488/x
3. Step 3: Cross multiply
   5,475,873x = 8,512,488 × 8,512,488
4. Step 4: Simplify right side
   5,475,873x = 72,462,451,950,144
5. Step 5: Solve for x
   x = 72,462,451,950,144/5,475,873
6. Step 6: Final answer
   x = 13,233,041.01