Finding the Third Proportional to 5,320,170 and 8,254,710

Step by Step Solution

1. Step 1: Write the proportion equation
   5,320,170 : 8,254,710 = 8,254,710 : x
2. Step 2: Convert to fraction form
   5,320,170/8,254,710 = 8,254,710/x
3. Step 3: Cross multiply
   5,320,170x = 8,254,710 × 8,254,710
4. Step 4: Simplify right side
   5,320,170x = 68,140,237,184,100
5. Step 5: Solve for x
   x = 68,140,237,184,100/5,320,170
6. Step 6: Final answer
   x = 12,807,905.98