Finding the Third Proportional to 21,622,388 and 29,123,910

Step by Step Solution

1. Step 1: Write the proportion equation
   21,622,388 : 29,123,910 = 29,123,910 : x
2. Step 2: Convert to fraction form
   21,622,388/29,123,910 = 29,123,910/x
3. Step 3: Cross multiply
   21,622,388x = 29,123,910 × 29,123,910
4. Step 4: Simplify right side
   21,622,388x = 848,202,133,688,100
5. Step 5: Solve for x
   x = 848,202,133,688,100/21,622,388
6. Step 6: Final answer
   x = 39,227,958.25