Finding the Third Proportional to 19,557,918 and 42,481,572

Step by Step Solution

1. Step 1: Write the proportion equation
   19,557,918 : 42,481,572 = 42,481,572 : x
2. Step 2: Convert to fraction form
   19,557,918/42,481,572 = 42,481,572/x
3. Step 3: Cross multiply
   19,557,918x = 42,481,572 × 42,481,572
4. Step 4: Simplify right side
   19,557,918x = 1,804,683,959,591,184
5. Step 5: Solve for x
   x = 1,804,683,959,591,184/19,557,918
6. Step 6: Final answer
   x = 92,273,827.90