Finding the Third Proportional to 5,320,248 and 8,254,809

Step by Step Solution

1. Step 1: Write the proportion equation
   5,320,248 : 8,254,809 = 8,254,809 : x
2. Step 2: Convert to fraction form
   5,320,248/8,254,809 = 8,254,809/x
3. Step 3: Cross multiply
   5,320,248x = 8,254,809 × 8,254,809
4. Step 4: Simplify right side
   5,320,248x = 68,141,871,626,481
5. Step 5: Solve for x
   x = 68,141,871,626,481/5,320,248
6. Step 6: Final answer
   x = 12,808,025.42