Finding the Third Proportional to 21,806,172 and 34,212,204

Step by Step Solution

1. Step 1: Write the proportion equation
   21,806,172 : 34,212,204 = 34,212,204 : x
2. Step 2: Convert to fraction form
   21,806,172/34,212,204 = 34,212,204/x
3. Step 3: Cross multiply
   21,806,172x = 34,212,204 × 34,212,204
4. Step 4: Simplify right side
   21,806,172x = 1,170,474,902,537,616
5. Step 5: Solve for x
   x = 1,170,474,902,537,616/21,806,172
6. Step 6: Final answer
   x = 53,676,312.49