Finding the Third Proportional to 11,453,809 and 16,021,636

Step by Step Solution

1. Step 1: Write the proportion equation
   11,453,809 : 16,021,636 = 16,021,636 : x
2. Step 2: Convert to fraction form
   11,453,809/16,021,636 = 16,021,636/x
3. Step 3: Cross multiply
   11,453,809x = 16,021,636 × 16,021,636
4. Step 4: Simplify right side
   11,453,809x = 256,692,820,116,496
5. Step 5: Solve for x
   x = 256,692,820,116,496/11,453,809
6. Step 6: Final answer
   x = 22,411,131.54