Finding the Third Proportional to 10,688,115 and 16,123,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,688,115 : 16,123,540.50 = 16,123,540.50 : x
2. Step 2: Convert to fraction form
   10,688,115/16,123,540.50 = 16,123,540.50/x
3. Step 3: Cross multiply
   10,688,115x = 16,123,540.50 × 16,123,540.50
4. Step 4: Simplify right side
   10,688,115x = 259,968,558,255,140.25
5. Step 5: Solve for x
   x = 259,968,558,255,140.25/10,688,115
6. Step 6: Final answer
   x = 24,323,143.81