Finding the Third Proportional to 4,860,517.50 and 10,636,443

Step by Step Solution

1. Step 1: Write the proportion equation
   4,860,517.50 : 10,636,443 = 10,636,443 : x
2. Step 2: Convert to fraction form
   4,860,517.50/10,636,443 = 10,636,443/x
3. Step 3: Cross multiply
   4,860,517.50x = 10,636,443 × 10,636,443
4. Step 4: Simplify right side
   4,860,517.50x = 113,133,919,692,249
5. Step 5: Solve for x
   x = 113,133,919,692,249/4,860,517.50
6. Step 6: Final answer
   x = 23,276,105.82