Finding the Third Proportional to 12,212,078.50 and 18,892,003

Step by Step Solution

1. Step 1: Write the proportion equation
   12,212,078.50 : 18,892,003 = 18,892,003 : x
2. Step 2: Convert to fraction form
   12,212,078.50/18,892,003 = 18,892,003/x
3. Step 3: Cross multiply
   12,212,078.50x = 18,892,003 × 18,892,003
4. Step 4: Simplify right side
   12,212,078.50x = 356,907,777,352,009
5. Step 5: Solve for x
   x = 356,907,777,352,009/12,212,078.50
6. Step 6: Final answer
   x = 29,225,801.11