Finding the Third Proportional to 5,729,278 and 8,285,535

Step by Step Solution

1. Step 1: Write the proportion equation
   5,729,278 : 8,285,535 = 8,285,535 : x
2. Step 2: Convert to fraction form
   5,729,278/8,285,535 = 8,285,535/x
3. Step 3: Cross multiply
   5,729,278x = 8,285,535 × 8,285,535
4. Step 4: Simplify right side
   5,729,278x = 68,650,090,236,225
5. Step 5: Solve for x
   x = 68,650,090,236,225/5,729,278
6. Step 6: Final answer
   x = 11,982,328.36