Finding the Third Proportional to 5,644,362 and 8,479,263

Step by Step Solution

1. Step 1: Write the proportion equation
   5,644,362 : 8,479,263 = 8,479,263 : x
2. Step 2: Convert to fraction form
   5,644,362/8,479,263 = 8,479,263/x
3. Step 3: Cross multiply
   5,644,362x = 8,479,263 × 8,479,263
4. Step 4: Simplify right side
   5,644,362x = 71,897,901,023,169
5. Step 5: Solve for x
   x = 71,897,901,023,169/5,644,362
6. Step 6: Final answer
   x = 12,738,003.17