Finding the Third Proportional to 4,860,490.50 and 10,636,389

Step by Step Solution

1. Step 1: Write the proportion equation
   4,860,490.50 : 10,636,389 = 10,636,389 : x
2. Step 2: Convert to fraction form
   4,860,490.50/10,636,389 = 10,636,389/x
3. Step 3: Cross multiply
   4,860,490.50x = 10,636,389 × 10,636,389
4. Step 4: Simplify right side
   4,860,490.50x = 113,132,770,959,321
5. Step 5: Solve for x
   x = 113,132,770,959,321/4,860,490.50
6. Step 6: Final answer
   x = 23,275,998.78