Finding the Third Proportional to 19,949,563 and 42,976,631

Step by Step Solution

1. Step 1: Write the proportion equation
   19,949,563 : 42,976,631 = 42,976,631 : x
2. Step 2: Convert to fraction form
   19,949,563/42,976,631 = 42,976,631/x
3. Step 3: Cross multiply
   19,949,563x = 42,976,631 × 42,976,631
4. Step 4: Simplify right side
   19,949,563x = 1,846,990,812,110,161
5. Step 5: Solve for x
   x = 1,846,990,812,110,161/19,949,563
6. Step 6: Final answer
   x = 92,583,021.10