Finding the Third Proportional to 6,312,564 and 13,412,456

Step by Step Solution

1. Step 1: Write the proportion equation
   6,312,564 : 13,412,456 = 13,412,456 : x
2. Step 2: Convert to fraction form
   6,312,564/13,412,456 = 13,412,456/x
3. Step 3: Cross multiply
   6,312,564x = 13,412,456 × 13,412,456
4. Step 4: Simplify right side
   6,312,564x = 179,893,975,951,936
5. Step 5: Solve for x
   x = 179,893,975,951,936/6,312,564
6. Step 6: Final answer
   x = 28,497,766.67