Finding the Third Proportional to 7,407,856 and 11,131,507.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,407,856 : 11,131,507.50 = 11,131,507.50 : x
2. Step 2: Convert to fraction form
   7,407,856/11,131,507.50 = 11,131,507.50/x
3. Step 3: Cross multiply
   7,407,856x = 11,131,507.50 × 11,131,507.50
4. Step 4: Simplify right side
   7,407,856x = 123,910,459,222,556.25
5. Step 5: Solve for x
   x = 123,910,459,222,556.25/7,407,856
6. Step 6: Final answer
   x = 16,726,899.01