Finding the Third Proportional to 19,874,536 and 29,155,638

Step by Step Solution

1. Step 1: Write the proportion equation
   19,874,536 : 29,155,638 = 29,155,638 : x
2. Step 2: Convert to fraction form
   19,874,536/29,155,638 = 29,155,638/x
3. Step 3: Cross multiply
   19,874,536x = 29,155,638 × 29,155,638
4. Step 4: Simplify right side
   19,874,536x = 850,051,227,187,044
5. Step 5: Solve for x
   x = 850,051,227,187,044/19,874,536
6. Step 6: Final answer
   x = 42,770,871.59