Finding the Third Proportional to 21,171,412 and 45,927,556

Step by Step Solution

1. Step 1: Write the proportion equation
   21,171,412 : 45,927,556 = 45,927,556 : x
2. Step 2: Convert to fraction form
   21,171,412/45,927,556 = 45,927,556/x
3. Step 3: Cross multiply
   21,171,412x = 45,927,556 × 45,927,556
4. Step 4: Simplify right side
   21,171,412x = 2,109,340,400,133,136
5. Step 5: Solve for x
   x = 2,109,340,400,133,136/21,171,412
6. Step 6: Final answer
   x = 99,631,540.88