Finding the Third Proportional to 5,200,486 and 8,003,710

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200,486 : 8,003,710 = 8,003,710 : x
2. Step 2: Convert to fraction form
   5,200,486/8,003,710 = 8,003,710/x
3. Step 3: Cross multiply
   5,200,486x = 8,003,710 × 8,003,710
4. Step 4: Simplify right side
   5,200,486x = 64,059,373,764,100
5. Step 5: Solve for x
   x = 64,059,373,764,100/5,200,486
6. Step 6: Final answer
   x = 12,317,959.08