Finding the Third Proportional to 12,009,799.50 and 18,589,151.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,009,799.50 : 18,589,151.25 = 18,589,151.25 : x
2. Step 2: Convert to fraction form
   12,009,799.50/18,589,151.25 = 18,589,151.25/x
3. Step 3: Cross multiply
   12,009,799.50x = 18,589,151.25 × 18,589,151.25
4. Step 4: Simplify right side
   12,009,799.50x = 345,556,544,195,376.56
5. Step 5: Solve for x
   x = 345,556,544,195,376.56/12,009,799.50
6. Step 6: Final answer
   x = 28,772,882.03