Finding the Third Proportional to 12,108,456 and 18,213,552

Step by Step Solution

1. Step 1: Write the proportion equation
   12,108,456 : 18,213,552 = 18,213,552 : x
2. Step 2: Convert to fraction form
   12,108,456/18,213,552 = 18,213,552/x
3. Step 3: Cross multiply
   12,108,456x = 18,213,552 × 18,213,552
4. Step 4: Simplify right side
   12,108,456x = 331,733,476,456,704
5. Step 5: Solve for x
   x = 331,733,476,456,704/12,108,456
6. Step 6: Final answer
   x = 27,396,843.70