Finding the Third Proportional to 21,436,308 and 45,637,812

Step by Step Solution

1. Step 1: Write the proportion equation
   21,436,308 : 45,637,812 = 45,637,812 : x
2. Step 2: Convert to fraction form
   21,436,308/45,637,812 = 45,637,812/x
3. Step 3: Cross multiply
   21,436,308x = 45,637,812 × 45,637,812
4. Step 4: Simplify right side
   21,436,308x = 2,082,809,884,147,344
5. Step 5: Solve for x
   x = 2,082,809,884,147,344/21,436,308
6. Step 6: Final answer
   x = 97,162,714.97