Finding the Third Proportional to 19,557,888 and 42,481,515

Step by Step Solution

1. Step 1: Write the proportion equation
   19,557,888 : 42,481,515 = 42,481,515 : x
2. Step 2: Convert to fraction form
   19,557,888/42,481,515 = 42,481,515/x
3. Step 3: Cross multiply
   19,557,888x = 42,481,515 × 42,481,515
4. Step 4: Simplify right side
   19,557,888x = 1,804,679,116,695,225
5. Step 5: Solve for x
   x = 1,804,679,116,695,225/19,557,888
6. Step 6: Final answer
   x = 92,273,721.82