Finding the Third Proportional to 10,045,018 and 21,802,457

Step by Step Solution

1. Step 1: Write the proportion equation
   10,045,018 : 21,802,457 = 21,802,457 : x
2. Step 2: Convert to fraction form
   10,045,018/21,802,457 = 21,802,457/x
3. Step 3: Cross multiply
   10,045,018x = 21,802,457 × 21,802,457
4. Step 4: Simplify right side
   10,045,018x = 475,347,131,236,849
5. Step 5: Solve for x
   x = 475,347,131,236,849/10,045,018
6. Step 6: Final answer
   x = 47,321,680.38