Finding the Third Proportional to 19,910,194 and 31,658,451

Step by Step Solution

1. Step 1: Write the proportion equation
   19,910,194 : 31,658,451 = 31,658,451 : x
2. Step 2: Convert to fraction form
   19,910,194/31,658,451 = 31,658,451/x
3. Step 3: Cross multiply
   19,910,194x = 31,658,451 × 31,658,451
4. Step 4: Simplify right side
   19,910,194x = 1,002,257,519,719,401
5. Step 5: Solve for x
   x = 1,002,257,519,719,401/19,910,194
6. Step 6: Final answer
   x = 50,338,912.81