Finding the Third Proportional to 12,768,169.50 and 17,916,301.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,768,169.50 : 17,916,301.50 = 17,916,301.50 : x
2. Step 2: Convert to fraction form
   12,768,169.50/17,916,301.50 = 17,916,301.50/x
3. Step 3: Cross multiply
   12,768,169.50x = 17,916,301.50 × 17,916,301.50
4. Step 4: Simplify right side
   12,768,169.50x = 320,993,859,438,902.25
5. Step 5: Solve for x
   x = 320,993,859,438,902.25/12,768,169.50
6. Step 6: Final answer
   x = 25,140,162.76