Finding the Third Proportional to 19,383,746 and 42,288,290

Step by Step Solution

1. Step 1: Write the proportion equation
   19,383,746 : 42,288,290 = 42,288,290 : x
2. Step 2: Convert to fraction form
   19,383,746/42,288,290 = 42,288,290/x
3. Step 3: Cross multiply
   19,383,746x = 42,288,290 × 42,288,290
4. Step 4: Simplify right side
   19,383,746x = 1,788,299,471,124,100
5. Step 5: Solve for x
   x = 1,788,299,471,124,100/19,383,746
6. Step 6: Final answer
   x = 92,257,681.83