Finding the Third Proportional to 19,788,790 and 30,271,718

Step by Step Solution

1. Step 1: Write the proportion equation
   19,788,790 : 30,271,718 = 30,271,718 : x
2. Step 2: Convert to fraction form
   19,788,790/30,271,718 = 30,271,718/x
3. Step 3: Cross multiply
   19,788,790x = 30,271,718 × 30,271,718
4. Step 4: Simplify right side
   19,788,790x = 916,376,910,671,524
5. Step 5: Solve for x
   x = 916,376,910,671,524/19,788,790
6. Step 6: Final answer
   x = 46,307,879.90