Finding the Third Proportional to 5,207,040 and 8,061,816

Step by Step Solution

1. Step 1: Write the proportion equation
   5,207,040 : 8,061,816 = 8,061,816 : x
2. Step 2: Convert to fraction form
   5,207,040/8,061,816 = 8,061,816/x
3. Step 3: Cross multiply
   5,207,040x = 8,061,816 × 8,061,816
4. Step 4: Simplify right side
   5,207,040x = 64,992,877,217,856
5. Step 5: Solve for x
   x = 64,992,877,217,856/5,207,040
6. Step 6: Final answer
   x = 12,481,731.89