Finding the Third Proportional to 5,479,356 and 8,726,424

Step by Step Solution

1. Step 1: Write the proportion equation
   5,479,356 : 8,726,424 = 8,726,424 : x
2. Step 2: Convert to fraction form
   5,479,356/8,726,424 = 8,726,424/x
3. Step 3: Cross multiply
   5,479,356x = 8,726,424 × 8,726,424
4. Step 4: Simplify right side
   5,479,356x = 76,150,475,827,776
5. Step 5: Solve for x
   x = 76,150,475,827,776/5,479,356
6. Step 6: Final answer
   x = 13,897,705.47