Finding the Third Proportional to 5,320,161 and 8,425,584

Step by Step Solution

1. Step 1: Write the proportion equation
   5,320,161 : 8,425,584 = 8,425,584 : x
2. Step 2: Convert to fraction form
   5,320,161/8,425,584 = 8,425,584/x
3. Step 3: Cross multiply
   5,320,161x = 8,425,584 × 8,425,584
4. Step 4: Simplify right side
   5,320,161x = 70,990,465,741,056
5. Step 5: Solve for x
   x = 70,990,465,741,056/5,320,161
6. Step 6: Final answer
   x = 13,343,668.69