Finding the Third Proportional to 5,606,934 and 8,521,209

Step by Step Solution

1. Step 1: Write the proportion equation
   5,606,934 : 8,521,209 = 8,521,209 : x
2. Step 2: Convert to fraction form
   5,606,934/8,521,209 = 8,521,209/x
3. Step 3: Cross multiply
   5,606,934x = 8,521,209 × 8,521,209
4. Step 4: Simplify right side
   5,606,934x = 72,611,002,821,681
5. Step 5: Solve for x
   x = 72,611,002,821,681/5,606,934
6. Step 6: Final answer
   x = 12,950,215.36