Finding the Third Proportional to 8,408,592 and 12,822,840

Step by Step Solution

1. Step 1: Write the proportion equation
   8,408,592 : 12,822,840 = 12,822,840 : x
2. Step 2: Convert to fraction form
   8,408,592/12,822,840 = 12,822,840/x
3. Step 3: Cross multiply
   8,408,592x = 12,822,840 × 12,822,840
4. Step 4: Simplify right side
   8,408,592x = 164,425,225,665,600
5. Step 5: Solve for x
   x = 164,425,225,665,600/8,408,592
6. Step 6: Final answer
   x = 19,554,430.24