Finding the Third Proportional to 6,415,560 and 13,361,892

Step by Step Solution

1. Step 1: Write the proportion equation
   6,415,560 : 13,361,892 = 13,361,892 : x
2. Step 2: Convert to fraction form
   6,415,560/13,361,892 = 13,361,892/x
3. Step 3: Cross multiply
   6,415,560x = 13,361,892 × 13,361,892
4. Step 4: Simplify right side
   6,415,560x = 178,540,157,819,664
5. Step 5: Solve for x
   x = 178,540,157,819,664/6,415,560
6. Step 6: Final answer
   x = 27,829,239.82