Finding the Third Proportional to 12,661,663.50 and 25,770,798

Step by Step Solution

1. Step 1: Write the proportion equation
   12,661,663.50 : 25,770,798 = 25,770,798 : x
2. Step 2: Convert to fraction form
   12,661,663.50/25,770,798 = 25,770,798/x
3. Step 3: Cross multiply
   12,661,663.50x = 25,770,798 × 25,770,798
4. Step 4: Simplify right side
   12,661,663.50x = 664,134,029,556,804
5. Step 5: Solve for x
   x = 664,134,029,556,804/12,661,663.50
6. Step 6: Final answer
   x = 52,452,351.90