Finding the Third Proportional to 5,671,908 and 8,488,057

Step by Step Solution

1. Step 1: Write the proportion equation
   5,671,908 : 8,488,057 = 8,488,057 : x
2. Step 2: Convert to fraction form
   5,671,908/8,488,057 = 8,488,057/x
3. Step 3: Cross multiply
   5,671,908x = 8,488,057 × 8,488,057
4. Step 4: Simplify right side
   5,671,908x = 72,047,111,635,249
5. Step 5: Solve for x
   x = 72,047,111,635,249/5,671,908
6. Step 6: Final answer
   x = 12,702,447.15