Finding the Third Proportional to 4,860,498 and 10,636,404

Step by Step Solution

1. Step 1: Write the proportion equation
   4,860,498 : 10,636,404 = 10,636,404 : x
2. Step 2: Convert to fraction form
   4,860,498/10,636,404 = 10,636,404/x
3. Step 3: Cross multiply
   4,860,498x = 10,636,404 × 10,636,404
4. Step 4: Simplify right side
   4,860,498x = 113,133,090,051,216
5. Step 5: Solve for x
   x = 113,133,090,051,216/4,860,498
6. Step 6: Final answer
   x = 23,276,028.52