Finding the Third Proportional to 21,033,732 and 31,466,556

Step by Step Solution

1. Step 1: Write the proportion equation
   21,033,732 : 31,466,556 = 31,466,556 : x
2. Step 2: Convert to fraction form
   21,033,732/31,466,556 = 31,466,556/x
3. Step 3: Cross multiply
   21,033,732x = 31,466,556 × 31,466,556
4. Step 4: Simplify right side
   21,033,732x = 990,144,146,501,136
5. Step 5: Solve for x
   x = 990,144,146,501,136/21,033,732
6. Step 6: Final answer
   x = 47,074,106.80