Finding the Third Proportional to 19,543,042 and 42,940,671

Step by Step Solution

1. Step 1: Write the proportion equation
   19,543,042 : 42,940,671 = 42,940,671 : x
2. Step 2: Convert to fraction form
   19,543,042/42,940,671 = 42,940,671/x
3. Step 3: Cross multiply
   19,543,042x = 42,940,671 × 42,940,671
4. Step 4: Simplify right side
   19,543,042x = 1,843,901,225,930,241
5. Step 5: Solve for x
   x = 1,843,901,225,930,241/19,543,042
6. Step 6: Final answer
   x = 94,350,778.45