Finding the Third Proportional to 21,682,136 and 31,707,453

Step by Step Solution

1. Step 1: Write the proportion equation
   21,682,136 : 31,707,453 = 31,707,453 : x
2. Step 2: Convert to fraction form
   21,682,136/31,707,453 = 31,707,453/x
3. Step 3: Cross multiply
   21,682,136x = 31,707,453 × 31,707,453
4. Step 4: Simplify right side
   21,682,136x = 1,005,362,575,747,209
5. Step 5: Solve for x
   x = 1,005,362,575,747,209/21,682,136
6. Step 6: Final answer
   x = 46,368,244.15