Finding the Third Proportional to 5,699,646 and 8,521,038

Step by Step Solution

1. Step 1: Write the proportion equation
   5,699,646 : 8,521,038 = 8,521,038 : x
2. Step 2: Convert to fraction form
   5,699,646/8,521,038 = 8,521,038/x
3. Step 3: Cross multiply
   5,699,646x = 8,521,038 × 8,521,038
4. Step 4: Simplify right side
   5,699,646x = 72,608,088,597,444
5. Step 5: Solve for x
   x = 72,608,088,597,444/5,699,646
6. Step 6: Final answer
   x = 12,739,052.32