Finding the Third Proportional to 12,892,588.50 and 19,338,885

Step by Step Solution

1. Step 1: Write the proportion equation
   12,892,588.50 : 19,338,885 = 19,338,885 : x
2. Step 2: Convert to fraction form
   12,892,588.50/19,338,885 = 19,338,885/x
3. Step 3: Cross multiply
   12,892,588.50x = 19,338,885 × 19,338,885
4. Step 4: Simplify right side
   12,892,588.50x = 373,992,473,043,225
5. Step 5: Solve for x
   x = 373,992,473,043,225/12,892,588.50
6. Step 6: Final answer
   x = 29,008,330.88