Finding the Third Proportional to 12,922,392 and 20,274,204

Step by Step Solution

1. Step 1: Write the proportion equation
   12,922,392 : 20,274,204 = 20,274,204 : x
2. Step 2: Convert to fraction form
   12,922,392/20,274,204 = 20,274,204/x
3. Step 3: Cross multiply
   12,922,392x = 20,274,204 × 20,274,204
4. Step 4: Simplify right side
   12,922,392x = 411,043,347,833,616
5. Step 5: Solve for x
   x = 411,043,347,833,616/12,922,392
6. Step 6: Final answer
   x = 31,808,611.58